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Finding the Fourth Proportional to 60,314.88, 90,613.70 and 56,906.63

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Solution

The fourth proportional to 60,314.88, 90,613.70 and 56,906.63 is: 85,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,314.88 : 90,613.70 = 56,906.63 : x
  2. Step 2: Convert to fraction form
    60,314.88/90,613.70 = 56,906.63/x
  3. Step 3: Cross multiply
    60,314.88x = 90,613.70 × 56,906.63
  4. Step 4: Simplify right side
    60,314.88x = 5,156,519,988.03
  5. Step 5: Solve for x
    x = 5,156,519,988.03/60,314.88
  6. Step 6: Final answer
    x = 85,493.33

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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.