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Finding the Fourth Proportional to 32,079.97, 48,128.16 and 13,353.78

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Solution

The fourth proportional to 32,079.97, 48,128.16 and 13,353.78 is: 20,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.97 : 48,128.16 = 13,353.78 : x
  2. Step 2: Convert to fraction form
    32,079.97/48,128.16 = 13,353.78/x
  3. Step 3: Cross multiply
    32,079.97x = 48,128.16 × 13,353.78
  4. Step 4: Simplify right side
    32,079.97x = 642,692,880.53
  5. Step 5: Solve for x
    x = 642,692,880.53/32,079.97
  6. Step 6: Final answer
    x = 20,034.09

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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.