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Finding the Fourth Proportional to 24,731.28, 34,130.04 and 13,553.28

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Solution

The fourth proportional to 24,731.28, 34,130.04 and 13,553.28 is: 18,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,731.28 : 34,130.04 = 13,553.28 : x
  2. Step 2: Convert to fraction form
    24,731.28/34,130.04 = 13,553.28/x
  3. Step 3: Cross multiply
    24,731.28x = 34,130.04 × 13,553.28
  4. Step 4: Simplify right side
    24,731.28x = 462,573,988.53
  5. Step 5: Solve for x
    x = 462,573,988.53/24,731.28
  6. Step 6: Final answer
    x = 18,704.01

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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.