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Finding the Fourth Proportional to 5,751.18, 8,626.59 and 1,647.18

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Solution

The fourth proportional to 5,751.18, 8,626.59 and 1,647.18 is: 2,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.18 : 8,626.59 = 1,647.18 : x
  2. Step 2: Convert to fraction form
    5,751.18/8,626.59 = 1,647.18/x
  3. Step 3: Cross multiply
    5,751.18x = 8,626.59 × 1,647.18
  4. Step 4: Simplify right side
    5,751.18x = 14,209,546.52
  5. Step 5: Solve for x
    x = 14,209,546.52/5,751.18
  6. Step 6: Final answer
    x = 2,470.72

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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.