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Finding the Fourth Proportional to 27,747, 38,290.86 and 17,828.28

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Solution

The fourth proportional to 27,747, 38,290.86 and 17,828.28 is: 24,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747 : 38,290.86 = 17,828.28 : x
  2. Step 2: Convert to fraction form
    27,747/38,290.86 = 17,828.28/x
  3. Step 3: Cross multiply
    27,747x = 38,290.86 × 17,828.28
  4. Step 4: Simplify right side
    27,747x = 682,660,173.52
  5. Step 5: Solve for x
    x = 682,660,173.52/27,747
  6. Step 6: Final answer
    x = 24,603.03

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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.