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Finding the Fourth Proportional to 60,658.80, 90,945.12 and 23,187.30

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Solution

The fourth proportional to 60,658.80, 90,945.12 and 23,187.30 is: 34,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658.80 : 90,945.12 = 23,187.30 : x
  2. Step 2: Convert to fraction form
    60,658.80/90,945.12 = 23,187.30/x
  3. Step 3: Cross multiply
    60,658.80x = 90,945.12 × 23,187.30
  4. Step 4: Simplify right side
    60,658.80x = 2,108,771,780.98
  5. Step 5: Solve for x
    x = 2,108,771,780.98/60,658.80
  6. Step 6: Final answer
    x = 34,764.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.