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Finding the Fourth Proportional to 12,512.98, 17,266.03 and 7,206.87

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Solution

The fourth proportional to 12,512.98, 17,266.03 and 7,206.87 is: 9,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.98 : 17,266.03 = 7,206.87 : x
  2. Step 2: Convert to fraction form
    12,512.98/17,266.03 = 7,206.87/x
  3. Step 3: Cross multiply
    12,512.98x = 17,266.03 × 7,206.87
  4. Step 4: Simplify right side
    12,512.98x = 124,434,033.63
  5. Step 5: Solve for x
    x = 124,434,033.63/12,512.98
  6. Step 6: Final answer
    x = 9,944.40

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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.