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Finding the Fourth Proportional to 17,291.25, 25,931.09 and 6,758.55

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Solution

The fourth proportional to 17,291.25, 25,931.09 and 6,758.55 is: 10,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.25 : 25,931.09 = 6,758.55 : x
  2. Step 2: Convert to fraction form
    17,291.25/25,931.09 = 6,758.55/x
  3. Step 3: Cross multiply
    17,291.25x = 25,931.09 × 6,758.55
  4. Step 4: Simplify right side
    17,291.25x = 175,256,534.53
  5. Step 5: Solve for x
    x = 175,256,534.53/17,291.25
  6. Step 6: Final answer
    x = 10,135.56

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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.