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Finding the Fourth Proportional to 32,661.44, 48,964.72 and 15,143.84

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Solution

The fourth proportional to 32,661.44, 48,964.72 and 15,143.84 is: 22,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.44 : 48,964.72 = 15,143.84 : x
  2. Step 2: Convert to fraction form
    32,661.44/48,964.72 = 15,143.84/x
  3. Step 3: Cross multiply
    32,661.44x = 48,964.72 × 15,143.84
  4. Step 4: Simplify right side
    32,661.44x = 741,513,885.32
  5. Step 5: Solve for x
    x = 741,513,885.32/32,661.44
  6. Step 6: Final answer
    x = 22,703.04

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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.