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Finding the Fourth Proportional to 5,631.75, 7,775.46 and 5,041.26

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Solution

The fourth proportional to 5,631.75, 7,775.46 and 5,041.26 is: 6,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.75 : 7,775.46 = 5,041.26 : x
  2. Step 2: Convert to fraction form
    5,631.75/7,775.46 = 5,041.26/x
  3. Step 3: Cross multiply
    5,631.75x = 7,775.46 × 5,041.26
  4. Step 4: Simplify right side
    5,631.75x = 39,198,115.48
  5. Step 5: Solve for x
    x = 39,198,115.48/5,631.75
  6. Step 6: Final answer
    x = 6,960.20

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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.