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Finding the Fourth Proportional to 57,449.95, 79,248.55 and 34,473.83

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Solution

The fourth proportional to 57,449.95, 79,248.55 and 34,473.83 is: 47,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.95 : 79,248.55 = 34,473.83 : x
  2. Step 2: Convert to fraction form
    57,449.95/79,248.55 = 34,473.83/x
  3. Step 3: Cross multiply
    57,449.95x = 79,248.55 × 34,473.83
  4. Step 4: Simplify right side
    57,449.95x = 2,732,000,762.59
  5. Step 5: Solve for x
    x = 2,732,000,762.59/57,449.95
  6. Step 6: Final answer
    x = 47,554.45

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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.