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Finding the Fourth Proportional to 63,602.99, 87,768.68 and 35,306.85

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Solution

The fourth proportional to 63,602.99, 87,768.68 and 35,306.85 is: 48,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,602.99 : 87,768.68 = 35,306.85 : x
  2. Step 2: Convert to fraction form
    63,602.99/87,768.68 = 35,306.85/x
  3. Step 3: Cross multiply
    63,602.99x = 87,768.68 × 35,306.85
  4. Step 4: Simplify right side
    63,602.99x = 3,098,835,442.92
  5. Step 5: Solve for x
    x = 3,098,835,442.92/63,602.99
  6. Step 6: Final answer
    x = 48,721.54

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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.