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Finding the Fourth Proportional to 54,695.25, 82,042.88 and 17,759.25

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Solution

The fourth proportional to 54,695.25, 82,042.88 and 17,759.25 is: 26,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,695.25 : 82,042.88 = 17,759.25 : x
  2. Step 2: Convert to fraction form
    54,695.25/82,042.88 = 17,759.25/x
  3. Step 3: Cross multiply
    54,695.25x = 82,042.88 × 17,759.25
  4. Step 4: Simplify right side
    54,695.25x = 1,457,019,927.84
  5. Step 5: Solve for x
    x = 1,457,019,927.84/54,695.25
  6. Step 6: Final answer
    x = 26,638.88

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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.