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Finding the Fourth Proportional to 38,715.95, 58,073.91 and 11,013.95

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Solution

The fourth proportional to 38,715.95, 58,073.91 and 11,013.95 is: 16,520.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715.95 : 58,073.91 = 11,013.95 : x
  2. Step 2: Convert to fraction form
    38,715.95/58,073.91 = 11,013.95/x
  3. Step 3: Cross multiply
    38,715.95x = 58,073.91 × 11,013.95
  4. Step 4: Simplify right side
    38,715.95x = 639,622,850.67
  5. Step 5: Solve for x
    x = 639,622,850.67/38,715.95
  6. Step 6: Final answer
    x = 16,520.92

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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.