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Finding the Fourth Proportional to 8,437.68, 12,645.04 and 4,680.52

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Solution

The fourth proportional to 8,437.68, 12,645.04 and 4,680.52 is: 7,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.68 : 12,645.04 = 4,680.52 : x
  2. Step 2: Convert to fraction form
    8,437.68/12,645.04 = 4,680.52/x
  3. Step 3: Cross multiply
    8,437.68x = 12,645.04 × 4,680.52
  4. Step 4: Simplify right side
    8,437.68x = 59,185,362.62
  5. Step 5: Solve for x
    x = 59,185,362.62/8,437.68
  6. Step 6: Final answer
    x = 7,014.41

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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.