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Finding the Fourth Proportional to 60,587.64, 90,928.53 and 41,997.78

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Solution

The fourth proportional to 60,587.64, 90,928.53 and 41,997.78 is: 63,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,587.64 : 90,928.53 = 41,997.78 : x
  2. Step 2: Convert to fraction form
    60,587.64/90,928.53 = 41,997.78/x
  3. Step 3: Cross multiply
    60,587.64x = 90,928.53 × 41,997.78
  4. Step 4: Simplify right side
    60,587.64x = 3,818,796,398.66
  5. Step 5: Solve for x
    x = 3,818,796,398.66/60,587.64
  6. Step 6: Final answer
    x = 63,029.30

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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.