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Finding the Fourth Proportional to 32,387.16, 44,693.70 and 18,239.70

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Solution

The fourth proportional to 32,387.16, 44,693.70 and 18,239.70 is: 25,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.16 : 44,693.70 = 18,239.70 : x
  2. Step 2: Convert to fraction form
    32,387.16/44,693.70 = 18,239.70/x
  3. Step 3: Cross multiply
    32,387.16x = 44,693.70 × 18,239.70
  4. Step 4: Simplify right side
    32,387.16x = 815,199,679.89
  5. Step 5: Solve for x
    x = 815,199,679.89/32,387.16
  6. Step 6: Final answer
    x = 25,170.46

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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.