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Finding the Fourth Proportional to 38,603.70, 57,910.95 and 16,416.90

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Solution

The fourth proportional to 38,603.70, 57,910.95 and 16,416.90 is: 24,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.70 : 57,910.95 = 16,416.90 : x
  2. Step 2: Convert to fraction form
    38,603.70/57,910.95 = 16,416.90/x
  3. Step 3: Cross multiply
    38,603.70x = 57,910.95 × 16,416.90
  4. Step 4: Simplify right side
    38,603.70x = 950,718,275.06
  5. Step 5: Solve for x
    x = 950,718,275.06/38,603.70
  6. Step 6: Final answer
    x = 24,627.65

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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.