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Finding the Fourth Proportional to 15,257.97, 22,889.08 and 6,940.08

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Solution

The fourth proportional to 15,257.97, 22,889.08 and 6,940.08 is: 10,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.97 : 22,889.08 = 6,940.08 : x
  2. Step 2: Convert to fraction form
    15,257.97/22,889.08 = 6,940.08/x
  3. Step 3: Cross multiply
    15,257.97x = 22,889.08 × 6,940.08
  4. Step 4: Simplify right side
    15,257.97x = 158,852,055.00
  5. Step 5: Solve for x
    x = 158,852,055.00/15,257.97
  6. Step 6: Final answer
    x = 10,411.09

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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.