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Finding the Fourth Proportional to 8,474.66, 11,693.57 and 4,888.82

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Solution

The fourth proportional to 8,474.66, 11,693.57 and 4,888.82 is: 6,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.66 : 11,693.57 = 4,888.82 : x
  2. Step 2: Convert to fraction form
    8,474.66/11,693.57 = 4,888.82/x
  3. Step 3: Cross multiply
    8,474.66x = 11,693.57 × 4,888.82
  4. Step 4: Simplify right side
    8,474.66x = 57,167,675.98
  5. Step 5: Solve for x
    x = 57,167,675.98/8,474.66
  6. Step 6: Final answer
    x = 6,745.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.