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Finding the Fourth Proportional to 32,013.76, 44,174.64 and 18,582.88

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Solution

The fourth proportional to 32,013.76, 44,174.64 and 18,582.88 is: 25,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,013.76 : 44,174.64 = 18,582.88 : x
  2. Step 2: Convert to fraction form
    32,013.76/44,174.64 = 18,582.88/x
  3. Step 3: Cross multiply
    32,013.76x = 44,174.64 × 18,582.88
  4. Step 4: Simplify right side
    32,013.76x = 820,892,034.16
  5. Step 5: Solve for x
    x = 820,892,034.16/32,013.76
  6. Step 6: Final answer
    x = 25,641.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.