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Finding the Fourth Proportional to 58,481.18, 80,702.21 and 32,987.18

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Solution

The fourth proportional to 58,481.18, 80,702.21 and 32,987.18 is: 45,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.18 : 80,702.21 = 32,987.18 : x
  2. Step 2: Convert to fraction form
    58,481.18/80,702.21 = 32,987.18/x
  3. Step 3: Cross multiply
    58,481.18x = 80,702.21 × 32,987.18
  4. Step 4: Simplify right side
    58,481.18x = 2,662,138,006.62
  5. Step 5: Solve for x
    x = 2,662,138,006.62/58,481.18
  6. Step 6: Final answer
    x = 45,521.28

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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.