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Finding the Fourth Proportional to 7,352.84, 10,146.96 and 3,995.68

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Solution

The fourth proportional to 7,352.84, 10,146.96 and 3,995.68 is: 5,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.84 : 10,146.96 = 3,995.68 : x
  2. Step 2: Convert to fraction form
    7,352.84/10,146.96 = 3,995.68/x
  3. Step 3: Cross multiply
    7,352.84x = 10,146.96 × 3,995.68
  4. Step 4: Simplify right side
    7,352.84x = 40,544,005.13
  5. Step 5: Solve for x
    x = 40,544,005.13/7,352.84
  6. Step 6: Final answer
    x = 5,514.06

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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.