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Finding the Fourth Proportional to 9,465.97, 13,063.04 and 5,489.39

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Solution

The fourth proportional to 9,465.97, 13,063.04 and 5,489.39 is: 7,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.97 : 13,063.04 = 5,489.39 : x
  2. Step 2: Convert to fraction form
    9,465.97/13,063.04 = 5,489.39/x
  3. Step 3: Cross multiply
    9,465.97x = 13,063.04 × 5,489.39
  4. Step 4: Simplify right side
    9,465.97x = 71,708,118.54
  5. Step 5: Solve for x
    x = 71,708,118.54/9,465.97
  6. Step 6: Final answer
    x = 7,575.36

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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.