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Finding the Fourth Proportional to 38,003.80, 57,005.70 and 32,098.90

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Solution

The fourth proportional to 38,003.80, 57,005.70 and 32,098.90 is: 48,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.80 : 57,005.70 = 32,098.90 : x
  2. Step 2: Convert to fraction form
    38,003.80/57,005.70 = 32,098.90/x
  3. Step 3: Cross multiply
    38,003.80x = 57,005.70 × 32,098.90
  4. Step 4: Simplify right side
    38,003.80x = 1,829,820,263.73
  5. Step 5: Solve for x
    x = 1,829,820,263.73/38,003.80
  6. Step 6: Final answer
    x = 48,148.35

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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.