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Finding the Fourth Proportional to 16,610,477.70, 24,915,716.55 and 9,780,039.30

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Solution

The fourth proportional to 16,610,477.70, 24,915,716.55 and 9,780,039.30 is: 14,670,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610,477.70 : 24,915,716.55 = 9,780,039.30 : x
  2. Step 2: Convert to fraction form
    16,610,477.70/24,915,716.55 = 9,780,039.30/x
  3. Step 3: Cross multiply
    16,610,477.70x = 24,915,716.55 × 9,780,039.30
  4. Step 4: Simplify right side
    16,610,477.70x = 243,676,687,046,660.44
  5. Step 5: Solve for x
    x = 243,676,687,046,660.44/16,610,477.70
  6. Step 6: Final answer
    x = 14,670,058.95

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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.