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Finding the Fourth Proportional to 5,047.50, 7,572.52 and 1,760.64

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Solution

The fourth proportional to 5,047.50, 7,572.52 and 1,760.64 is: 2,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.50 : 7,572.52 = 1,760.64 : x
  2. Step 2: Convert to fraction form
    5,047.50/7,572.52 = 1,760.64/x
  3. Step 3: Cross multiply
    5,047.50x = 7,572.52 × 1,760.64
  4. Step 4: Simplify right side
    5,047.50x = 13,332,481.61
  5. Step 5: Solve for x
    x = 13,332,481.61/5,047.50
  6. Step 6: Final answer
    x = 2,641.40

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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.