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Finding the Fourth Proportional to 60,061, 90,285.92 and 55,732.36

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Solution

The fourth proportional to 60,061, 90,285.92 and 55,732.36 is: 83,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061 : 90,285.92 = 55,732.36 : x
  2. Step 2: Convert to fraction form
    60,061/90,285.92 = 55,732.36/x
  3. Step 3: Cross multiply
    60,061x = 90,285.92 × 55,732.36
  4. Step 4: Simplify right side
    60,061x = 5,031,847,396.37
  5. Step 5: Solve for x
    x = 5,031,847,396.37/60,061
  6. Step 6: Final answer
    x = 83,778.95

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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.