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Finding the Fourth Proportional to 66,775.59, 92,151.41 and 36,560.43

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Solution

The fourth proportional to 66,775.59, 92,151.41 and 36,560.43 is: 50,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.59 : 92,151.41 = 36,560.43 : x
  2. Step 2: Convert to fraction form
    66,775.59/92,151.41 = 36,560.43/x
  3. Step 3: Cross multiply
    66,775.59x = 92,151.41 × 36,560.43
  4. Step 4: Simplify right side
    66,775.59x = 3,369,094,991.90
  5. Step 5: Solve for x
    x = 3,369,094,991.90/66,775.59
  6. Step 6: Final answer
    x = 50,453.99

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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.