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Finding the Fourth Proportional to 7,250.93, 10,007.12 and 4,065.09

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Solution

The fourth proportional to 7,250.93, 10,007.12 and 4,065.09 is: 5,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.93 : 10,007.12 = 4,065.09 : x
  2. Step 2: Convert to fraction form
    7,250.93/10,007.12 = 4,065.09/x
  3. Step 3: Cross multiply
    7,250.93x = 10,007.12 × 4,065.09
  4. Step 4: Simplify right side
    7,250.93x = 40,679,823.12
  5. Step 5: Solve for x
    x = 40,679,823.12/7,250.93
  6. Step 6: Final answer
    x = 5,610.29

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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.