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Finding the Fourth Proportional to 6,250.80, 9,376.20 and 5,751.60

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Solution

The fourth proportional to 6,250.80, 9,376.20 and 5,751.60 is: 8,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250.80 : 9,376.20 = 5,751.60 : x
  2. Step 2: Convert to fraction form
    6,250.80/9,376.20 = 5,751.60/x
  3. Step 3: Cross multiply
    6,250.80x = 9,376.20 × 5,751.60
  4. Step 4: Simplify right side
    6,250.80x = 53,928,151.92
  5. Step 5: Solve for x
    x = 53,928,151.92/6,250.80
  6. Step 6: Final answer
    x = 8,627.40

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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.