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Finding the Fourth Proportional to 15,242.59, 22,868.52 and 7,243.42

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Solution

The fourth proportional to 15,242.59, 22,868.52 and 7,243.42 is: 10,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.59 : 22,868.52 = 7,243.42 : x
  2. Step 2: Convert to fraction form
    15,242.59/22,868.52 = 7,243.42/x
  3. Step 3: Cross multiply
    15,242.59x = 22,868.52 × 7,243.42
  4. Step 4: Simplify right side
    15,242.59x = 165,646,295.14
  5. Step 5: Solve for x
    x = 165,646,295.14/15,242.59
  6. Step 6: Final answer
    x = 10,867.33

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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.