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Finding the Fourth Proportional to 10,348, 15,523.46 and 3,325.66

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Solution

The fourth proportional to 10,348, 15,523.46 and 3,325.66 is: 4,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348 : 15,523.46 = 3,325.66 : x
  2. Step 2: Convert to fraction form
    10,348/15,523.46 = 3,325.66/x
  3. Step 3: Cross multiply
    10,348x = 15,523.46 × 3,325.66
  4. Step 4: Simplify right side
    10,348x = 51,625,749.98
  5. Step 5: Solve for x
    x = 51,625,749.98/10,348
  6. Step 6: Final answer
    x = 4,988.96

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Double scale
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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.