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Finding the Fourth Proportional to 9,373.52, 14,062.26 and 4,990.34

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Solution

The fourth proportional to 9,373.52, 14,062.26 and 4,990.34 is: 7,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.52 : 14,062.26 = 4,990.34 : x
  2. Step 2: Convert to fraction form
    9,373.52/14,062.26 = 4,990.34/x
  3. Step 3: Cross multiply
    9,373.52x = 14,062.26 × 4,990.34
  4. Step 4: Simplify right side
    9,373.52x = 70,175,458.57
  5. Step 5: Solve for x
    x = 70,175,458.57/9,373.52
  6. Step 6: Final answer
    x = 7,486.56

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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.