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Finding the Fourth Proportional to 12,310.93, 16,975.62 and 9,472.09

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Solution

The fourth proportional to 12,310.93, 16,975.62 and 9,472.09 is: 13,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.93 : 16,975.62 = 9,472.09 : x
  2. Step 2: Convert to fraction form
    12,310.93/16,975.62 = 9,472.09/x
  3. Step 3: Cross multiply
    12,310.93x = 16,975.62 × 9,472.09
  4. Step 4: Simplify right side
    12,310.93x = 160,794,600.45
  5. Step 5: Solve for x
    x = 160,794,600.45/12,310.93
  6. Step 6: Final answer
    x = 13,061.13

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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.