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Finding the Fourth Proportional to 3,929,752.98, 5,894,291.80 and 2,392,349.40

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Solution

The fourth proportional to 3,929,752.98, 5,894,291.80 and 2,392,349.40 is: 3,588,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,752.98 : 5,894,291.80 = 2,392,349.40 : x
  2. Step 2: Convert to fraction form
    3,929,752.98/5,894,291.80 = 2,392,349.40/x
  3. Step 3: Cross multiply
    3,929,752.98x = 5,894,291.80 × 2,392,349.40
  4. Step 4: Simplify right side
    3,929,752.98x = 14,101,205,451,154.92
  5. Step 5: Solve for x
    x = 14,101,205,451,154.92/3,929,752.98
  6. Step 6: Final answer
    x = 3,588,318.53

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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.