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Finding the Fourth Proportional to 9,793,138.80, 14,675,365.80 and 8,782,258.80

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Solution

The fourth proportional to 9,793,138.80, 14,675,365.80 and 8,782,258.80 is: 13,160,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793,138.80 : 14,675,365.80 = 8,782,258.80 : x
  2. Step 2: Convert to fraction form
    9,793,138.80/14,675,365.80 = 8,782,258.80/x
  3. Step 3: Cross multiply
    9,793,138.80x = 14,675,365.80 × 8,782,258.80
  4. Step 4: Simplify right side
    9,793,138.80x = 128,882,860,440,269.06
  5. Step 5: Solve for x
    x = 128,882,860,440,269.06/9,793,138.80
  6. Step 6: Final answer
    x = 13,160,526.27

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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.