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Finding the Fourth Proportional to 15,960.90, 23,956.10 and 8,068.97

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Solution

The fourth proportional to 15,960.90, 23,956.10 and 8,068.97 is: 12,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.90 : 23,956.10 = 8,068.97 : x
  2. Step 2: Convert to fraction form
    15,960.90/23,956.10 = 8,068.97/x
  3. Step 3: Cross multiply
    15,960.90x = 23,956.10 × 8,068.97
  4. Step 4: Simplify right side
    15,960.90x = 193,301,012.66
  5. Step 5: Solve for x
    x = 193,301,012.66/15,960.90
  6. Step 6: Final answer
    x = 12,110.91

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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.