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Finding the Fourth Proportional to 15,287.94, 22,894.97 and 8,694.14

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Solution

The fourth proportional to 15,287.94, 22,894.97 and 8,694.14 is: 13,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.94 : 22,894.97 = 8,694.14 : x
  2. Step 2: Convert to fraction form
    15,287.94/22,894.97 = 8,694.14/x
  3. Step 3: Cross multiply
    15,287.94x = 22,894.97 × 8,694.14
  4. Step 4: Simplify right side
    15,287.94x = 199,051,916.53
  5. Step 5: Solve for x
    x = 199,051,916.53/15,287.94
  6. Step 6: Final answer
    x = 13,020.19

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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.