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Finding the Fourth Proportional to 9,353.74, 12,908.23 and 5,104.83

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Solution

The fourth proportional to 9,353.74, 12,908.23 and 5,104.83 is: 7,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.74 : 12,908.23 = 5,104.83 : x
  2. Step 2: Convert to fraction form
    9,353.74/12,908.23 = 5,104.83/x
  3. Step 3: Cross multiply
    9,353.74x = 12,908.23 × 5,104.83
  4. Step 4: Simplify right side
    9,353.74x = 65,894,319.75
  5. Step 5: Solve for x
    x = 65,894,319.75/9,353.74
  6. Step 6: Final answer
    x = 7,044.71

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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.