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Finding the Fourth Proportional to 9,969,893.10, 14,954,839.65 and 8,535,002.40

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Solution

The fourth proportional to 9,969,893.10, 14,954,839.65 and 8,535,002.40 is: 12,802,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,893.10 : 14,954,839.65 = 8,535,002.40 : x
  2. Step 2: Convert to fraction form
    9,969,893.10/14,954,839.65 = 8,535,002.40/x
  3. Step 3: Cross multiply
    9,969,893.10x = 14,954,839.65 × 8,535,002.40
  4. Step 4: Simplify right side
    9,969,893.10x = 127,639,592,304,365.17
  5. Step 5: Solve for x
    x = 127,639,592,304,365.17/9,969,893.10
  6. Step 6: Final answer
    x = 12,802,503.60

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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.