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Finding the Fourth Proportional to 7,208.52, 9,932.99 and 5,317.10

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Solution

The fourth proportional to 7,208.52, 9,932.99 and 5,317.10 is: 7,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.52 : 9,932.99 = 5,317.10 : x
  2. Step 2: Convert to fraction form
    7,208.52/9,932.99 = 5,317.10/x
  3. Step 3: Cross multiply
    7,208.52x = 9,932.99 × 5,317.10
  4. Step 4: Simplify right side
    7,208.52x = 52,814,687.84
  5. Step 5: Solve for x
    x = 52,814,687.84/7,208.52
  6. Step 6: Final answer
    x = 7,326.71

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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.