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Finding the Fourth Proportional to 55,602.75, 83,194.86 and 38,995.20

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Solution

The fourth proportional to 55,602.75, 83,194.86 and 38,995.20 is: 58,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.75 : 83,194.86 = 38,995.20 : x
  2. Step 2: Convert to fraction form
    55,602.75/83,194.86 = 38,995.20/x
  3. Step 3: Cross multiply
    55,602.75x = 83,194.86 × 38,995.20
  4. Step 4: Simplify right side
    55,602.75x = 3,244,200,204.67
  5. Step 5: Solve for x
    x = 3,244,200,204.67/55,602.75
  6. Step 6: Final answer
    x = 58,346.04

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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.