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Finding the Fourth Proportional to 9,162.66, 13,747.86 and 4,486.80

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Solution

The fourth proportional to 9,162.66, 13,747.86 and 4,486.80 is: 6,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.66 : 13,747.86 = 4,486.80 : x
  2. Step 2: Convert to fraction form
    9,162.66/13,747.86 = 4,486.80/x
  3. Step 3: Cross multiply
    9,162.66x = 13,747.86 × 4,486.80
  4. Step 4: Simplify right side
    9,162.66x = 61,683,898.25
  5. Step 5: Solve for x
    x = 61,683,898.25/9,162.66
  6. Step 6: Final answer
    x = 6,732.10

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1.5x scale

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.