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Finding the Fourth Proportional to 32,472.11, 48,671.71 and 21,248.99

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Solution

The fourth proportional to 32,472.11, 48,671.71 and 21,248.99 is: 31,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,472.11 : 48,671.71 = 21,248.99 : x
  2. Step 2: Convert to fraction form
    32,472.11/48,671.71 = 21,248.99/x
  3. Step 3: Cross multiply
    32,472.11x = 48,671.71 × 21,248.99
  4. Step 4: Simplify right side
    32,472.11x = 1,034,224,382.59
  5. Step 5: Solve for x
    x = 1,034,224,382.59/32,472.11
  6. Step 6: Final answer
    x = 31,849.63

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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.