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Finding the Fourth Proportional to 8,907,526.20, 13,361,289.30 and 7,897,788.30

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Solution

The fourth proportional to 8,907,526.20, 13,361,289.30 and 7,897,788.30 is: 11,846,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,526.20 : 13,361,289.30 = 7,897,788.30 : x
  2. Step 2: Convert to fraction form
    8,907,526.20/13,361,289.30 = 7,897,788.30/x
  3. Step 3: Cross multiply
    8,907,526.20x = 13,361,289.30 × 7,897,788.30
  4. Step 4: Simplify right side
    8,907,526.20x = 105,524,634,306,455.19
  5. Step 5: Solve for x
    x = 105,524,634,306,455.19/8,907,526.20
  6. Step 6: Final answer
    x = 11,846,682.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.