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Finding the Fourth Proportional to 64,008.80, 96,013.20 and 32,824.16

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Solution

The fourth proportional to 64,008.80, 96,013.20 and 32,824.16 is: 49,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.80 : 96,013.20 = 32,824.16 : x
  2. Step 2: Convert to fraction form
    64,008.80/96,013.20 = 32,824.16/x
  3. Step 3: Cross multiply
    64,008.80x = 96,013.20 × 32,824.16
  4. Step 4: Simplify right side
    64,008.80x = 3,151,552,638.91
  5. Step 5: Solve for x
    x = 3,151,552,638.91/64,008.80
  6. Step 6: Final answer
    x = 49,236.24

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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.