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Finding the Fourth Proportional to 62,453.10, 93,679.65 and 20,900.10

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Solution

The fourth proportional to 62,453.10, 93,679.65 and 20,900.10 is: 31,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,453.10 : 93,679.65 = 20,900.10 : x
  2. Step 2: Convert to fraction form
    62,453.10/93,679.65 = 20,900.10/x
  3. Step 3: Cross multiply
    62,453.10x = 93,679.65 × 20,900.10
  4. Step 4: Simplify right side
    62,453.10x = 1,957,914,052.97
  5. Step 5: Solve for x
    x = 1,957,914,052.97/62,453.10
  6. Step 6: Final answer
    x = 31,350.15

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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.