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Finding the Fourth Proportional to 58,195.52, 80,300.40 and 34,318.88

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Solution

The fourth proportional to 58,195.52, 80,300.40 and 34,318.88 is: 47,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,195.52 : 80,300.40 = 34,318.88 : x
  2. Step 2: Convert to fraction form
    58,195.52/80,300.40 = 34,318.88/x
  3. Step 3: Cross multiply
    58,195.52x = 80,300.40 × 34,318.88
  4. Step 4: Simplify right side
    58,195.52x = 2,755,819,791.55
  5. Step 5: Solve for x
    x = 2,755,819,791.55/58,195.52
  6. Step 6: Final answer
    x = 47,354.50

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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.