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Finding the Fourth Proportional to 60,556.60, 90,834.90 and 38,467.90

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Solution

The fourth proportional to 60,556.60, 90,834.90 and 38,467.90 is: 57,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,556.60 : 90,834.90 = 38,467.90 : x
  2. Step 2: Convert to fraction form
    60,556.60/90,834.90 = 38,467.90/x
  3. Step 3: Cross multiply
    60,556.60x = 90,834.90 × 38,467.90
  4. Step 4: Simplify right side
    60,556.60x = 3,494,227,849.71
  5. Step 5: Solve for x
    x = 3,494,227,849.71/60,556.60
  6. Step 6: Final answer
    x = 57,701.85

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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.