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Finding the Fourth Proportional to 8,696.32, 13,044.16 and 2,540.16

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Solution

The fourth proportional to 8,696.32, 13,044.16 and 2,540.16 is: 3,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.32 : 13,044.16 = 2,540.16 : x
  2. Step 2: Convert to fraction form
    8,696.32/13,044.16 = 2,540.16/x
  3. Step 3: Cross multiply
    8,696.32x = 13,044.16 × 2,540.16
  4. Step 4: Simplify right side
    8,696.32x = 33,134,253.47
  5. Step 5: Solve for x
    x = 33,134,253.47/8,696.32
  6. Step 6: Final answer
    x = 3,810.15

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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.