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Finding the Fourth Proportional to 4,052, 6,071.52 and 2,101.76

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Solution

The fourth proportional to 4,052, 6,071.52 and 2,101.76 is: 3,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,052 : 6,071.52 = 2,101.76 : x
  2. Step 2: Convert to fraction form
    4,052/6,071.52 = 2,101.76/x
  3. Step 3: Cross multiply
    4,052x = 6,071.52 × 2,101.76
  4. Step 4: Simplify right side
    4,052x = 12,760,877.88
  5. Step 5: Solve for x
    x = 12,760,877.88/4,052
  6. Step 6: Final answer
    x = 3,149.28

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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.