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Finding the Fourth Proportional to 24,156.76, 33,305.68 and 15,644.76

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Solution

The fourth proportional to 24,156.76, 33,305.68 and 15,644.76 is: 21,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,156.76 : 33,305.68 = 15,644.76 : x
  2. Step 2: Convert to fraction form
    24,156.76/33,305.68 = 15,644.76/x
  3. Step 3: Cross multiply
    24,156.76x = 33,305.68 × 15,644.76
  4. Step 4: Simplify right side
    24,156.76x = 521,059,370.24
  5. Step 5: Solve for x
    x = 521,059,370.24/24,156.76
  6. Step 6: Final answer
    x = 21,569.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.