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Finding the Fourth Proportional to 8,437.56, 12,648.18 and 4,053.96

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Solution

The fourth proportional to 8,437.56, 12,648.18 and 4,053.96 is: 6,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.56 : 12,648.18 = 4,053.96 : x
  2. Step 2: Convert to fraction form
    8,437.56/12,648.18 = 4,053.96/x
  3. Step 3: Cross multiply
    8,437.56x = 12,648.18 × 4,053.96
  4. Step 4: Simplify right side
    8,437.56x = 51,275,215.79
  5. Step 5: Solve for x
    x = 51,275,215.79/8,437.56
  6. Step 6: Final answer
    x = 6,077.02

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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.