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Finding the Fourth Proportional to 10,058.78, 15,088.17 and 3,133.82

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Solution

The fourth proportional to 10,058.78, 15,088.17 and 3,133.82 is: 4,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.78 : 15,088.17 = 3,133.82 : x
  2. Step 2: Convert to fraction form
    10,058.78/15,088.17 = 3,133.82/x
  3. Step 3: Cross multiply
    10,058.78x = 15,088.17 × 3,133.82
  4. Step 4: Simplify right side
    10,058.78x = 47,283,517.80
  5. Step 5: Solve for x
    x = 47,283,517.80/10,058.78
  6. Step 6: Final answer
    x = 4,700.72

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Similar ratio
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1.5x scale

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.