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Finding the Fourth Proportional to 60,573.92, 90,793.20 and 30,904.16

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Solution

The fourth proportional to 60,573.92, 90,793.20 and 30,904.16 is: 46,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.92 : 90,793.20 = 30,904.16 : x
  2. Step 2: Convert to fraction form
    60,573.92/90,793.20 = 30,904.16/x
  3. Step 3: Cross multiply
    60,573.92x = 90,793.20 × 30,904.16
  4. Step 4: Simplify right side
    60,573.92x = 2,805,887,579.71
  5. Step 5: Solve for x
    x = 2,805,887,579.71/60,573.92
  6. Step 6: Final answer
    x = 46,321.71

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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.