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Finding the Fourth Proportional to 5,579.96, 8,370.95 and 4,549.01

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Solution

The fourth proportional to 5,579.96, 8,370.95 and 4,549.01 is: 6,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.96 : 8,370.95 = 4,549.01 : x
  2. Step 2: Convert to fraction form
    5,579.96/8,370.95 = 4,549.01/x
  3. Step 3: Cross multiply
    5,579.96x = 8,370.95 × 4,549.01
  4. Step 4: Simplify right side
    5,579.96x = 38,079,470.66
  5. Step 5: Solve for x
    x = 38,079,470.66/5,579.96
  6. Step 6: Final answer
    x = 6,824.33

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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.