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Finding the Fourth Proportional to 5,338.48, 8,009.34 and 1,874.92

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Solution

The fourth proportional to 5,338.48, 8,009.34 and 1,874.92 is: 2,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.48 : 8,009.34 = 1,874.92 : x
  2. Step 2: Convert to fraction form
    5,338.48/8,009.34 = 1,874.92/x
  3. Step 3: Cross multiply
    5,338.48x = 8,009.34 × 1,874.92
  4. Step 4: Simplify right side
    5,338.48x = 15,016,871.75
  5. Step 5: Solve for x
    x = 15,016,871.75/5,338.48
  6. Step 6: Final answer
    x = 2,812.95

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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.