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Finding the Fourth Proportional to 26,693.69, 40,032.84 and 7,972.97

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Solution

The fourth proportional to 26,693.69, 40,032.84 and 7,972.97 is: 11,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.69 : 40,032.84 = 7,972.97 : x
  2. Step 2: Convert to fraction form
    26,693.69/40,032.84 = 7,972.97/x
  3. Step 3: Cross multiply
    26,693.69x = 40,032.84 × 7,972.97
  4. Step 4: Simplify right side
    26,693.69x = 319,180,632.33
  5. Step 5: Solve for x
    x = 319,180,632.33/26,693.69
  6. Step 6: Final answer
    x = 11,957.16

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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.