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Finding the Fourth Proportional to 15,215.52, 22,807.62 and 7,414.68

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Solution

The fourth proportional to 15,215.52, 22,807.62 and 7,414.68 is: 11,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.52 : 22,807.62 = 7,414.68 : x
  2. Step 2: Convert to fraction form
    15,215.52/22,807.62 = 7,414.68/x
  3. Step 3: Cross multiply
    15,215.52x = 22,807.62 × 7,414.68
  4. Step 4: Simplify right side
    15,215.52x = 169,111,203.86
  5. Step 5: Solve for x
    x = 169,111,203.86/15,215.52
  6. Step 6: Final answer
    x = 11,114.39

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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.