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Finding the Fourth Proportional to 5,806.60, 8,013.76 and 3,288.88

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Solution

The fourth proportional to 5,806.60, 8,013.76 and 3,288.88 is: 4,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.60 : 8,013.76 = 3,288.88 : x
  2. Step 2: Convert to fraction form
    5,806.60/8,013.76 = 3,288.88/x
  3. Step 3: Cross multiply
    5,806.60x = 8,013.76 × 3,288.88
  4. Step 4: Simplify right side
    5,806.60x = 26,356,294.99
  5. Step 5: Solve for x
    x = 26,356,294.99/5,806.60
  6. Step 6: Final answer
    x = 4,539.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.