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Finding the Fourth Proportional to 5,809.50, 8,718.30 and 2,346.78

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Solution

The fourth proportional to 5,809.50, 8,718.30 and 2,346.78 is: 3,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.50 : 8,718.30 = 2,346.78 : x
  2. Step 2: Convert to fraction form
    5,809.50/8,718.30 = 2,346.78/x
  3. Step 3: Cross multiply
    5,809.50x = 8,718.30 × 2,346.78
  4. Step 4: Simplify right side
    5,809.50x = 20,459,932.07
  5. Step 5: Solve for x
    x = 20,459,932.07/5,809.50
  6. Step 6: Final answer
    x = 3,521.81

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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.