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Finding the Fourth Proportional to 57,572.93, 79,429.57 and 34,895.57

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Solution

The fourth proportional to 57,572.93, 79,429.57 and 34,895.57 is: 48,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.93 : 79,429.57 = 34,895.57 : x
  2. Step 2: Convert to fraction form
    57,572.93/79,429.57 = 34,895.57/x
  3. Step 3: Cross multiply
    57,572.93x = 79,429.57 × 34,895.57
  4. Step 4: Simplify right side
    57,572.93x = 2,771,739,635.62
  5. Step 5: Solve for x
    x = 2,771,739,635.62/57,572.93
  6. Step 6: Final answer
    x = 48,143.10

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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.