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Finding the Fourth Proportional to 7,573.13, 11,342.06 and 7,310.39

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Solution

The fourth proportional to 7,573.13, 11,342.06 and 7,310.39 is: 10,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.13 : 11,342.06 = 7,310.39 : x
  2. Step 2: Convert to fraction form
    7,573.13/11,342.06 = 7,310.39/x
  3. Step 3: Cross multiply
    7,573.13x = 11,342.06 × 7,310.39
  4. Step 4: Simplify right side
    7,573.13x = 82,914,816.16
  5. Step 5: Solve for x
    x = 82,914,816.16/7,573.13
  6. Step 6: Final answer
    x = 10,948.55

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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.