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Finding the Fourth Proportional to 67,545.54, 93,213 and 37,330.20

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Solution

The fourth proportional to 67,545.54, 93,213 and 37,330.20 is: 51,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,545.54 : 93,213 = 37,330.20 : x
  2. Step 2: Convert to fraction form
    67,545.54/93,213 = 37,330.20/x
  3. Step 3: Cross multiply
    67,545.54x = 93,213 × 37,330.20
  4. Step 4: Simplify right side
    67,545.54x = 3,479,659,932.60
  5. Step 5: Solve for x
    x = 3,479,659,932.60/67,545.54
  6. Step 6: Final answer
    x = 51,515.76

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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.