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Finding the Fourth Proportional to 32,105.70, 48,158.55 and 9,917.10

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Solution

The fourth proportional to 32,105.70, 48,158.55 and 9,917.10 is: 14,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,105.70 : 48,158.55 = 9,917.10 : x
  2. Step 2: Convert to fraction form
    32,105.70/48,158.55 = 9,917.10/x
  3. Step 3: Cross multiply
    32,105.70x = 48,158.55 × 9,917.10
  4. Step 4: Simplify right side
    32,105.70x = 477,593,156.21
  5. Step 5: Solve for x
    x = 477,593,156.21/32,105.70
  6. Step 6: Final answer
    x = 14,875.65

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Similar ratio
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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.