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Finding the Fourth Proportional to 50,345.70, 75,576.90 and 27,017.70

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Solution

The fourth proportional to 50,345.70, 75,576.90 and 27,017.70 is: 40,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,345.70 : 75,576.90 = 27,017.70 : x
  2. Step 2: Convert to fraction form
    50,345.70/75,576.90 = 27,017.70/x
  3. Step 3: Cross multiply
    50,345.70x = 75,576.90 × 27,017.70
  4. Step 4: Simplify right side
    50,345.70x = 2,041,914,011.13
  5. Step 5: Solve for x
    x = 2,041,914,011.13/50,345.70
  6. Step 6: Final answer
    x = 40,557.86

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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.