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Finding the Fourth Proportional to 48,708.64, 67,199.84 and 35,992.48

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Solution

The fourth proportional to 48,708.64, 67,199.84 and 35,992.48 is: 49,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.64 : 67,199.84 = 35,992.48 : x
  2. Step 2: Convert to fraction form
    48,708.64/67,199.84 = 35,992.48/x
  3. Step 3: Cross multiply
    48,708.64x = 67,199.84 × 35,992.48
  4. Step 4: Simplify right side
    48,708.64x = 2,418,688,897.20
  5. Step 5: Solve for x
    x = 2,418,688,897.20/48,708.64
  6. Step 6: Final answer
    x = 49,656.26

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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.