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Finding the Fourth Proportional to 60,262.44, 90,343.98 and 28,659.96

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Solution

The fourth proportional to 60,262.44, 90,343.98 and 28,659.96 is: 42,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,262.44 : 90,343.98 = 28,659.96 : x
  2. Step 2: Convert to fraction form
    60,262.44/90,343.98 = 28,659.96/x
  3. Step 3: Cross multiply
    60,262.44x = 90,343.98 × 28,659.96
  4. Step 4: Simplify right side
    60,262.44x = 2,589,254,853.04
  5. Step 5: Solve for x
    x = 2,589,254,853.04/60,262.44
  6. Step 6: Final answer
    x = 42,966.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.