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Finding the Fourth Proportional to 9,350.03, 12,903.45 and 5,372.39

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Solution

The fourth proportional to 9,350.03, 12,903.45 and 5,372.39 is: 7,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.03 : 12,903.45 = 5,372.39 : x
  2. Step 2: Convert to fraction form
    9,350.03/12,903.45 = 5,372.39/x
  3. Step 3: Cross multiply
    9,350.03x = 12,903.45 × 5,372.39
  4. Step 4: Simplify right side
    9,350.03x = 69,322,301.23
  5. Step 5: Solve for x
    x = 69,322,301.23/9,350.03
  6. Step 6: Final answer
    x = 7,414.13

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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.