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Finding the Fourth Proportional to 32,649.90, 48,963.01 and 13,931.92

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Solution

The fourth proportional to 32,649.90, 48,963.01 and 13,931.92 is: 20,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.90 : 48,963.01 = 13,931.92 : x
  2. Step 2: Convert to fraction form
    32,649.90/48,963.01 = 13,931.92/x
  3. Step 3: Cross multiply
    32,649.90x = 48,963.01 × 13,931.92
  4. Step 4: Simplify right side
    32,649.90x = 682,148,476.18
  5. Step 5: Solve for x
    x = 682,148,476.18/32,649.90
  6. Step 6: Final answer
    x = 20,892.82

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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.