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Finding the Fourth Proportional to 32,490.90, 48,729.06 and 14,943.87

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Solution

The fourth proportional to 32,490.90, 48,729.06 and 14,943.87 is: 22,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.90 : 48,729.06 = 14,943.87 : x
  2. Step 2: Convert to fraction form
    32,490.90/48,729.06 = 14,943.87/x
  3. Step 3: Cross multiply
    32,490.90x = 48,729.06 × 14,943.87
  4. Step 4: Simplify right side
    32,490.90x = 728,200,737.86
  5. Step 5: Solve for x
    x = 728,200,737.86/32,490.90
  6. Step 6: Final answer
    x = 22,412.45

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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.