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Finding the Fourth Proportional to 24,281.76, 36,425.26 and 7,642.30

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Solution

The fourth proportional to 24,281.76, 36,425.26 and 7,642.30 is: 11,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,281.76 : 36,425.26 = 7,642.30 : x
  2. Step 2: Convert to fraction form
    24,281.76/36,425.26 = 7,642.30/x
  3. Step 3: Cross multiply
    24,281.76x = 36,425.26 × 7,642.30
  4. Step 4: Simplify right side
    24,281.76x = 278,372,764.50
  5. Step 5: Solve for x
    x = 278,372,764.50/24,281.76
  6. Step 6: Final answer
    x = 11,464.27

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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.