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Finding the Fourth Proportional to 48,393.68, 66,776.45 and 26,881.79

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Solution

The fourth proportional to 48,393.68, 66,776.45 and 26,881.79 is: 37,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393.68 : 66,776.45 = 26,881.79 : x
  2. Step 2: Convert to fraction form
    48,393.68/66,776.45 = 26,881.79/x
  3. Step 3: Cross multiply
    48,393.68x = 66,776.45 × 26,881.79
  4. Step 4: Simplify right side
    48,393.68x = 1,795,070,037.55
  5. Step 5: Solve for x
    x = 1,795,070,037.55/48,393.68
  6. Step 6: Final answer
    x = 37,093.07

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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.