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Finding the Fourth Proportional to 55,607.28, 76,773.42 and 36,520.92

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Solution

The fourth proportional to 55,607.28, 76,773.42 and 36,520.92 is: 50,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.28 : 76,773.42 = 36,520.92 : x
  2. Step 2: Convert to fraction form
    55,607.28/76,773.42 = 36,520.92/x
  3. Step 3: Cross multiply
    55,607.28x = 76,773.42 × 36,520.92
  4. Step 4: Simplify right side
    55,607.28x = 2,803,835,929.95
  5. Step 5: Solve for x
    x = 2,803,835,929.95/55,607.28
  6. Step 6: Final answer
    x = 50,422.10

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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.