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Finding the Fourth Proportional to 32,839.03, 45,317.91 and 18,691.88

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Solution

The fourth proportional to 32,839.03, 45,317.91 and 18,691.88 is: 25,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,839.03 : 45,317.91 = 18,691.88 : x
  2. Step 2: Convert to fraction form
    32,839.03/45,317.91 = 18,691.88/x
  3. Step 3: Cross multiply
    32,839.03x = 45,317.91 × 18,691.88
  4. Step 4: Simplify right side
    32,839.03x = 847,076,779.08
  5. Step 5: Solve for x
    x = 847,076,779.08/32,839.03
  6. Step 6: Final answer
    x = 25,794.82

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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.