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Finding the Fourth Proportional to 57,785.84, 79,758.96 and 32,649.92

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Solution

The fourth proportional to 57,785.84, 79,758.96 and 32,649.92 is: 45,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,785.84 : 79,758.96 = 32,649.92 : x
  2. Step 2: Convert to fraction form
    57,785.84/79,758.96 = 32,649.92/x
  3. Step 3: Cross multiply
    57,785.84x = 79,758.96 × 32,649.92
  4. Step 4: Simplify right side
    57,785.84x = 2,604,123,663.28
  5. Step 5: Solve for x
    x = 2,604,123,663.28/57,785.84
  6. Step 6: Final answer
    x = 45,065.08

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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.