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Finding the Fourth Proportional to 57,595.74, 79,476.39 and 42,496.62

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Solution

The fourth proportional to 57,595.74, 79,476.39 and 42,496.62 is: 58,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,595.74 : 79,476.39 = 42,496.62 : x
  2. Step 2: Convert to fraction form
    57,595.74/79,476.39 = 42,496.62/x
  3. Step 3: Cross multiply
    57,595.74x = 79,476.39 × 42,496.62
  4. Step 4: Simplify right side
    57,595.74x = 3,377,477,944.80
  5. Step 5: Solve for x
    x = 3,377,477,944.80/57,595.74
  6. Step 6: Final answer
    x = 58,641.11

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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.