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Finding the Fourth Proportional to 62,819.20, 94,228.80 and 55,820.80

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Solution

The fourth proportional to 62,819.20, 94,228.80 and 55,820.80 is: 83,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,819.20 : 94,228.80 = 55,820.80 : x
  2. Step 2: Convert to fraction form
    62,819.20/94,228.80 = 55,820.80/x
  3. Step 3: Cross multiply
    62,819.20x = 94,228.80 × 55,820.80
  4. Step 4: Simplify right side
    62,819.20x = 5,259,926,999.04
  5. Step 5: Solve for x
    x = 5,259,926,999.04/62,819.20
  6. Step 6: Final answer
    x = 83,731.20

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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.