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Finding the Fourth Proportional to 62,013.60, 93,020.40 and 57,202.20

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Solution

The fourth proportional to 62,013.60, 93,020.40 and 57,202.20 is: 85,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,013.60 : 93,020.40 = 57,202.20 : x
  2. Step 2: Convert to fraction form
    62,013.60/93,020.40 = 57,202.20/x
  3. Step 3: Cross multiply
    62,013.60x = 93,020.40 × 57,202.20
  4. Step 4: Simplify right side
    62,013.60x = 5,320,971,524.88
  5. Step 5: Solve for x
    x = 5,320,971,524.88/62,013.60
  6. Step 6: Final answer
    x = 85,803.30

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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.