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Finding the Fourth Proportional to 48,903.96, 67,487.67 and 27,687.31

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Solution

The fourth proportional to 48,903.96, 67,487.67 and 27,687.31 is: 38,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,903.96 : 67,487.67 = 27,687.31 : x
  2. Step 2: Convert to fraction form
    48,903.96/67,487.67 = 27,687.31/x
  3. Step 3: Cross multiply
    48,903.96x = 67,487.67 × 27,687.31
  4. Step 4: Simplify right side
    48,903.96x = 1,868,552,040.47
  5. Step 5: Solve for x
    x = 1,868,552,040.47/48,903.96
  6. Step 6: Final answer
    x = 38,208.60

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1.5x scale

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.