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Finding the Fourth Proportional to 7,326.25, 10,999.09 and 7,073.53

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Solution

The fourth proportional to 7,326.25, 10,999.09 and 7,073.53 is: 10,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.25 : 10,999.09 = 7,073.53 : x
  2. Step 2: Convert to fraction form
    7,326.25/10,999.09 = 7,073.53/x
  3. Step 3: Cross multiply
    7,326.25x = 10,999.09 × 7,073.53
  4. Step 4: Simplify right side
    7,326.25x = 77,802,374.43
  5. Step 5: Solve for x
    x = 77,802,374.43/7,326.25
  6. Step 6: Final answer
    x = 10,619.68

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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.