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Finding the Fourth Proportional to 67,036.49, 100,554.72 and 17,114.79

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Solution

The fourth proportional to 67,036.49, 100,554.72 and 17,114.79 is: 25,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.49 : 100,554.72 = 17,114.79 : x
  2. Step 2: Convert to fraction form
    67,036.49/100,554.72 = 17,114.79/x
  3. Step 3: Cross multiply
    67,036.49x = 100,554.72 × 17,114.79
  4. Step 4: Simplify right side
    67,036.49x = 1,720,973,229.21
  5. Step 5: Solve for x
    x = 1,720,973,229.21/67,036.49
  6. Step 6: Final answer
    x = 25,672.19

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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.