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Finding the Fourth Proportional to 8,793,999.60, 13,190,999.40 and 7,376,823.60

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Solution

The fourth proportional to 8,793,999.60, 13,190,999.40 and 7,376,823.60 is: 11,065,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793,999.60 : 13,190,999.40 = 7,376,823.60 : x
  2. Step 2: Convert to fraction form
    8,793,999.60/13,190,999.40 = 7,376,823.60/x
  3. Step 3: Cross multiply
    8,793,999.60x = 13,190,999.40 × 7,376,823.60
  4. Step 4: Simplify right side
    8,793,999.60x = 97,307,675,681,505.84
  5. Step 5: Solve for x
    x = 97,307,675,681,505.84/8,793,999.60
  6. Step 6: Final answer
    x = 11,065,235.40

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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.