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Finding the Fourth Proportional to 26,554, 39,831.00 and 9,915.33

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Solution

The fourth proportional to 26,554, 39,831.00 and 9,915.33 is: 14,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554 : 39,831.00 = 9,915.33 : x
  2. Step 2: Convert to fraction form
    26,554/39,831.00 = 9,915.33/x
  3. Step 3: Cross multiply
    26,554x = 39,831.00 × 9,915.33
  4. Step 4: Simplify right side
    26,554x = 394,937,459.65
  5. Step 5: Solve for x
    x = 394,937,459.65/26,554
  6. Step 6: Final answer
    x = 14,872.99

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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.