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Finding the Fourth Proportional to 17,500.59, 26,255.25 and 7,640.46

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Solution

The fourth proportional to 17,500.59, 26,255.25 and 7,640.46 is: 11,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,500.59 : 26,255.25 = 7,640.46 : x
  2. Step 2: Convert to fraction form
    17,500.59/26,255.25 = 7,640.46/x
  3. Step 3: Cross multiply
    17,500.59x = 26,255.25 × 7,640.46
  4. Step 4: Simplify right side
    17,500.59x = 200,602,187.42
  5. Step 5: Solve for x
    x = 200,602,187.42/17,500.59
  6. Step 6: Final answer
    x = 11,462.60

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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.