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Finding the Fourth Proportional to 6,572.52, 9,072.78 and 5,310.52

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Solution

The fourth proportional to 6,572.52, 9,072.78 and 5,310.52 is: 7,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.52 : 9,072.78 = 5,310.52 : x
  2. Step 2: Convert to fraction form
    6,572.52/9,072.78 = 5,310.52/x
  3. Step 3: Cross multiply
    6,572.52x = 9,072.78 × 5,310.52
  4. Step 4: Simplify right side
    6,572.52x = 48,181,179.65
  5. Step 5: Solve for x
    x = 48,181,179.65/6,572.52
  6. Step 6: Final answer
    x = 7,330.70

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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.