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Finding the Fourth Proportional to 57,700.38, 79,627.95 and 32,551.50

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Solution

The fourth proportional to 57,700.38, 79,627.95 and 32,551.50 is: 44,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.38 : 79,627.95 = 32,551.50 : x
  2. Step 2: Convert to fraction form
    57,700.38/79,627.95 = 32,551.50/x
  3. Step 3: Cross multiply
    57,700.38x = 79,627.95 × 32,551.50
  4. Step 4: Simplify right side
    57,700.38x = 2,592,009,214.43
  5. Step 5: Solve for x
    x = 2,592,009,214.43/57,700.38
  6. Step 6: Final answer
    x = 44,921.87

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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.