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Finding the Fourth Proportional to 5,338.71, 8,008.07 and 1,875.15

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Solution

The fourth proportional to 5,338.71, 8,008.07 and 1,875.15 is: 2,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.71 : 8,008.07 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    5,338.71/8,008.07 = 1,875.15/x
  3. Step 3: Cross multiply
    5,338.71x = 8,008.07 × 1,875.15
  4. Step 4: Simplify right side
    5,338.71x = 15,016,323.08
  5. Step 5: Solve for x
    x = 15,016,323.08/5,338.71
  6. Step 6: Final answer
    x = 2,812.73

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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.