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Finding the Fourth Proportional to 26,875, 37,087.66 and 15,694.84

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Solution

The fourth proportional to 26,875, 37,087.66 and 15,694.84 is: 21,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875 : 37,087.66 = 15,694.84 : x
  2. Step 2: Convert to fraction form
    26,875/37,087.66 = 15,694.84/x
  3. Step 3: Cross multiply
    26,875x = 37,087.66 × 15,694.84
  4. Step 4: Simplify right side
    26,875x = 582,084,889.67
  5. Step 5: Solve for x
    x = 582,084,889.67/26,875
  6. Step 6: Final answer
    x = 21,658.97

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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.