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Finding the Fourth Proportional to 55,726.60, 83,532.30 and 30,728.20

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Solution

The fourth proportional to 55,726.60, 83,532.30 and 30,728.20 is: 46,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.60 : 83,532.30 = 30,728.20 : x
  2. Step 2: Convert to fraction form
    55,726.60/83,532.30 = 30,728.20/x
  3. Step 3: Cross multiply
    55,726.60x = 83,532.30 × 30,728.20
  4. Step 4: Simplify right side
    55,726.60x = 2,566,797,220.86
  5. Step 5: Solve for x
    x = 2,566,797,220.86/55,726.60
  6. Step 6: Final answer
    x = 46,060.54

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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.