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Finding the Fourth Proportional to 50,687.72, 75,973.16 and 27,264.92

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Solution

The fourth proportional to 50,687.72, 75,973.16 and 27,264.92 is: 40,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687.72 : 75,973.16 = 27,264.92 : x
  2. Step 2: Convert to fraction form
    50,687.72/75,973.16 = 27,264.92/x
  3. Step 3: Cross multiply
    50,687.72x = 75,973.16 × 27,264.92
  4. Step 4: Simplify right side
    50,687.72x = 2,071,402,129.55
  5. Step 5: Solve for x
    x = 2,071,402,129.55/50,687.72
  6. Step 6: Final answer
    x = 40,865.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.