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Finding the Fourth Proportional to 8,658,892.04, 12,988,425.18 and 3,866,824.04

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Solution

The fourth proportional to 8,658,892.04, 12,988,425.18 and 3,866,824.04 is: 5,800,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,892.04 : 12,988,425.18 = 3,866,824.04 : x
  2. Step 2: Convert to fraction form
    8,658,892.04/12,988,425.18 = 3,866,824.04/x
  3. Step 3: Cross multiply
    8,658,892.04x = 12,988,425.18 × 3,866,824.04
  4. Step 4: Simplify right side
    8,658,892.04x = 50,223,954,727,765.33
  5. Step 5: Solve for x
    x = 50,223,954,727,765.33/8,658,892.04
  6. Step 6: Final answer
    x = 5,800,274.97

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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.