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Finding the Fourth Proportional to 15,930.80, 23,902.73 and 7,041.43

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Solution

The fourth proportional to 15,930.80, 23,902.73 and 7,041.43 is: 10,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.80 : 23,902.73 = 7,041.43 : x
  2. Step 2: Convert to fraction form
    15,930.80/23,902.73 = 7,041.43/x
  3. Step 3: Cross multiply
    15,930.80x = 23,902.73 × 7,041.43
  4. Step 4: Simplify right side
    15,930.80x = 168,309,245.38
  5. Step 5: Solve for x
    x = 168,309,245.38/15,930.80
  6. Step 6: Final answer
    x = 10,565.02

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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.