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Finding the Fourth Proportional to 5,871.79, 8,809.61 and 2,174.29

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Solution

The fourth proportional to 5,871.79, 8,809.61 and 2,174.29 is: 3,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.79 : 8,809.61 = 2,174.29 : x
  2. Step 2: Convert to fraction form
    5,871.79/8,809.61 = 2,174.29/x
  3. Step 3: Cross multiply
    5,871.79x = 8,809.61 × 2,174.29
  4. Step 4: Simplify right side
    5,871.79x = 19,154,675.82
  5. Step 5: Solve for x
    x = 19,154,675.82/5,871.79
  6. Step 6: Final answer
    x = 3,262.15

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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.