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Finding the Fourth Proportional to 67,663.55, 101,415.74 and 27,657.86

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Solution

The fourth proportional to 67,663.55, 101,415.74 and 27,657.86 is: 41,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,663.55 : 101,415.74 = 27,657.86 : x
  2. Step 2: Convert to fraction form
    67,663.55/101,415.74 = 27,657.86/x
  3. Step 3: Cross multiply
    67,663.55x = 101,415.74 × 27,657.86
  4. Step 4: Simplify right side
    67,663.55x = 2,804,941,693.35
  5. Step 5: Solve for x
    x = 2,804,941,693.35/67,663.55
  6. Step 6: Final answer
    x = 41,454.25

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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.