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Finding the Fourth Proportional to 56,230.87, 77,597.15 and 30,737.30

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Solution

The fourth proportional to 56,230.87, 77,597.15 and 30,737.30 is: 42,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.87 : 77,597.15 = 30,737.30 : x
  2. Step 2: Convert to fraction form
    56,230.87/77,597.15 = 30,737.30/x
  3. Step 3: Cross multiply
    56,230.87x = 77,597.15 × 30,737.30
  4. Step 4: Simplify right side
    56,230.87x = 2,385,126,337.02
  5. Step 5: Solve for x
    x = 2,385,126,337.02/56,230.87
  6. Step 6: Final answer
    x = 42,416.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.