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Finding the Fourth Proportional to 48,539.64, 66,986.04 and 27,319.64

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Solution

The fourth proportional to 48,539.64, 66,986.04 and 27,319.64 is: 37,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,539.64 : 66,986.04 = 27,319.64 : x
  2. Step 2: Convert to fraction form
    48,539.64/66,986.04 = 27,319.64/x
  3. Step 3: Cross multiply
    48,539.64x = 66,986.04 × 27,319.64
  4. Step 4: Simplify right side
    48,539.64x = 1,830,034,497.83
  5. Step 5: Solve for x
    x = 1,830,034,497.83/48,539.64
  6. Step 6: Final answer
    x = 37,701.86

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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.