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Finding the Fourth Proportional to 19,872,003.70, 29,808,005.55 and 16,659,738.10

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Solution

The fourth proportional to 19,872,003.70, 29,808,005.55 and 16,659,738.10 is: 24,989,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,003.70 : 29,808,005.55 = 16,659,738.10 : x
  2. Step 2: Convert to fraction form
    19,872,003.70/29,808,005.55 = 16,659,738.10/x
  3. Step 3: Cross multiply
    19,872,003.70x = 29,808,005.55 × 16,659,738.10
  4. Step 4: Simplify right side
    19,872,003.70x = 496,593,565,746,346.44
  5. Step 5: Solve for x
    x = 496,593,565,746,346.44/19,872,003.70
  6. Step 6: Final answer
    x = 24,989,607.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.