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Finding the Fourth Proportional to 12,332.50, 17,018.85 and 6,743.50

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Solution

The fourth proportional to 12,332.50, 17,018.85 and 6,743.50 is: 9,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.50 : 17,018.85 = 6,743.50 : x
  2. Step 2: Convert to fraction form
    12,332.50/17,018.85 = 6,743.50/x
  3. Step 3: Cross multiply
    12,332.50x = 17,018.85 × 6,743.50
  4. Step 4: Simplify right side
    12,332.50x = 114,766,614.98
  5. Step 5: Solve for x
    x = 114,766,614.98/12,332.50
  6. Step 6: Final answer
    x = 9,306.03

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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.