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Finding the Fourth Proportional to 24,615.18, 36,917.28 and 7,081.20

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Solution

The fourth proportional to 24,615.18, 36,917.28 and 7,081.20 is: 10,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,615.18 : 36,917.28 = 7,081.20 : x
  2. Step 2: Convert to fraction form
    24,615.18/36,917.28 = 7,081.20/x
  3. Step 3: Cross multiply
    24,615.18x = 36,917.28 × 7,081.20
  4. Step 4: Simplify right side
    24,615.18x = 261,418,643.14
  5. Step 5: Solve for x
    x = 261,418,643.14/24,615.18
  6. Step 6: Final answer
    x = 10,620.22

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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.