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Finding the Fourth Proportional to 12,502.85, 17,255.57 and 7,197.89

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Solution

The fourth proportional to 12,502.85, 17,255.57 and 7,197.89 is: 9,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.85 : 17,255.57 = 7,197.89 : x
  2. Step 2: Convert to fraction form
    12,502.85/17,255.57 = 7,197.89/x
  3. Step 3: Cross multiply
    12,502.85x = 17,255.57 × 7,197.89
  4. Step 4: Simplify right side
    12,502.85x = 124,203,658.76
  5. Step 5: Solve for x
    x = 124,203,658.76/12,502.85
  6. Step 6: Final answer
    x = 9,934.03

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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.