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Finding the Fourth Proportional to 48,986.42, 67,602.03 and 27,480.95

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Solution

The fourth proportional to 48,986.42, 67,602.03 and 27,480.95 is: 37,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,986.42 : 67,602.03 = 27,480.95 : x
  2. Step 2: Convert to fraction form
    48,986.42/67,602.03 = 27,480.95/x
  3. Step 3: Cross multiply
    48,986.42x = 67,602.03 × 27,480.95
  4. Step 4: Simplify right side
    48,986.42x = 1,857,767,668.32
  5. Step 5: Solve for x
    x = 1,857,767,668.32/48,986.42
  6. Step 6: Final answer
    x = 37,924.14

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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.