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Finding the Fourth Proportional to 32,099.85, 48,149.88 and 8,726.28

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Solution

The fourth proportional to 32,099.85, 48,149.88 and 8,726.28 is: 13,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,099.85 : 48,149.88 = 8,726.28 : x
  2. Step 2: Convert to fraction form
    32,099.85/48,149.88 = 8,726.28/x
  3. Step 3: Cross multiply
    32,099.85x = 48,149.88 × 8,726.28
  4. Step 4: Simplify right side
    32,099.85x = 420,169,334.85
  5. Step 5: Solve for x
    x = 420,169,334.85/32,099.85
  6. Step 6: Final answer
    x = 13,089.45

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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.