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Finding the Fourth Proportional to 25,134, 37,718.28 and 8,718

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Solution

The fourth proportional to 25,134, 37,718.28 and 8,718 is: 13,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134 : 37,718.28 = 8,718 : x
  2. Step 2: Convert to fraction form
    25,134/37,718.28 = 8,718/x
  3. Step 3: Cross multiply
    25,134x = 37,718.28 × 8,718
  4. Step 4: Simplify right side
    25,134x = 328,827,965.04
  5. Step 5: Solve for x
    x = 328,827,965.04/25,134
  6. Step 6: Final answer
    x = 13,082.99

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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.