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Finding the Fourth Proportional to 32,644.46, 48,920.88 and 13,899.12

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Solution

The fourth proportional to 32,644.46, 48,920.88 and 13,899.12 is: 20,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,644.46 : 48,920.88 = 13,899.12 : x
  2. Step 2: Convert to fraction form
    32,644.46/48,920.88 = 13,899.12/x
  3. Step 3: Cross multiply
    32,644.46x = 48,920.88 × 13,899.12
  4. Step 4: Simplify right side
    32,644.46x = 679,957,181.63
  5. Step 5: Solve for x
    x = 679,957,181.63/32,644.46
  6. Step 6: Final answer
    x = 20,829.18

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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.