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Finding the Fourth Proportional to 62,191.80, 93,300.96 and 20,074.28

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Solution

The fourth proportional to 62,191.80, 93,300.96 and 20,074.28 is: 30,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,191.80 : 93,300.96 = 20,074.28 : x
  2. Step 2: Convert to fraction form
    62,191.80/93,300.96 = 20,074.28/x
  3. Step 3: Cross multiply
    62,191.80x = 93,300.96 × 20,074.28
  4. Step 4: Simplify right side
    62,191.80x = 1,872,949,595.31
  5. Step 5: Solve for x
    x = 1,872,949,595.31/62,191.80
  6. Step 6: Final answer
    x = 30,115.70

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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.