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Finding the Fourth Proportional to 9,332.34, 13,993.03 and 3,489.40

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Solution

The fourth proportional to 9,332.34, 13,993.03 and 3,489.40 is: 5,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.34 : 13,993.03 = 3,489.40 : x
  2. Step 2: Convert to fraction form
    9,332.34/13,993.03 = 3,489.40/x
  3. Step 3: Cross multiply
    9,332.34x = 13,993.03 × 3,489.40
  4. Step 4: Simplify right side
    9,332.34x = 48,827,278.88
  5. Step 5: Solve for x
    x = 48,827,278.88/9,332.34
  6. Step 6: Final answer
    x = 5,232.05

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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.