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Finding the Fourth Proportional to 59,279.64, 81,835.62 and 45,820.44

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Solution

The fourth proportional to 59,279.64, 81,835.62 and 45,820.44 is: 63,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,279.64 : 81,835.62 = 45,820.44 : x
  2. Step 2: Convert to fraction form
    59,279.64/81,835.62 = 45,820.44/x
  3. Step 3: Cross multiply
    59,279.64x = 81,835.62 × 45,820.44
  4. Step 4: Simplify right side
    59,279.64x = 3,749,744,116.07
  5. Step 5: Solve for x
    x = 3,749,744,116.07/59,279.64
  6. Step 6: Final answer
    x = 63,255.18

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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.