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Finding the Fourth Proportional to 32,987.22, 45,522.42 and 17,879.88

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Solution

The fourth proportional to 32,987.22, 45,522.42 and 17,879.88 is: 24,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.22 : 45,522.42 = 17,879.88 : x
  2. Step 2: Convert to fraction form
    32,987.22/45,522.42 = 17,879.88/x
  3. Step 3: Cross multiply
    32,987.22x = 45,522.42 × 17,879.88
  4. Step 4: Simplify right side
    32,987.22x = 813,935,406.91
  5. Step 5: Solve for x
    x = 813,935,406.91/32,987.22
  6. Step 6: Final answer
    x = 24,674.26

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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.