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Finding the Fourth Proportional to 10,371, 15,558.06 and 3,348.66

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Solution

The fourth proportional to 10,371, 15,558.06 and 3,348.66 is: 5,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371 : 15,558.06 = 3,348.66 : x
  2. Step 2: Convert to fraction form
    10,371/15,558.06 = 3,348.66/x
  3. Step 3: Cross multiply
    10,371x = 15,558.06 × 3,348.66
  4. Step 4: Simplify right side
    10,371x = 52,098,653.20
  5. Step 5: Solve for x
    x = 52,098,653.20/10,371
  6. Step 6: Final answer
    x = 5,023.49

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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.