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Finding the Fourth Proportional to 32,108.76, 48,159.95 and 9,919.80

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Solution

The fourth proportional to 32,108.76, 48,159.95 and 9,919.80 is: 14,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,108.76 : 48,159.95 = 9,919.80 : x
  2. Step 2: Convert to fraction form
    32,108.76/48,159.95 = 9,919.80/x
  3. Step 3: Cross multiply
    32,108.76x = 48,159.95 × 9,919.80
  4. Step 4: Simplify right side
    32,108.76x = 477,737,022.41
  5. Step 5: Solve for x
    x = 477,737,022.41/32,108.76
  6. Step 6: Final answer
    x = 14,878.71

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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.