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Finding the Fourth Proportional to 3,951, 5,925.96 and 1,029.06

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Solution

The fourth proportional to 3,951, 5,925.96 and 1,029.06 is: 1,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951 : 5,925.96 = 1,029.06 : x
  2. Step 2: Convert to fraction form
    3,951/5,925.96 = 1,029.06/x
  3. Step 3: Cross multiply
    3,951x = 5,925.96 × 1,029.06
  4. Step 4: Simplify right side
    3,951x = 6,098,168.40
  5. Step 5: Solve for x
    x = 6,098,168.40/3,951
  6. Step 6: Final answer
    x = 1,543.45

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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.