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Finding the Fourth Proportional to 57,737.64, 79,678.17 and 33,864.78

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Solution

The fourth proportional to 57,737.64, 79,678.17 and 33,864.78 is: 46,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.64 : 79,678.17 = 33,864.78 : x
  2. Step 2: Convert to fraction form
    57,737.64/79,678.17 = 33,864.78/x
  3. Step 3: Cross multiply
    57,737.64x = 79,678.17 × 33,864.78
  4. Step 4: Simplify right side
    57,737.64x = 2,698,283,697.85
  5. Step 5: Solve for x
    x = 2,698,283,697.85/57,737.64
  6. Step 6: Final answer
    x = 46,733.53

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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.