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Finding the Fourth Proportional to 12,717.95, 17,550.98 and 7,052.94

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Solution

The fourth proportional to 12,717.95, 17,550.98 and 7,052.94 is: 9,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.95 : 17,550.98 = 7,052.94 : x
  2. Step 2: Convert to fraction form
    12,717.95/17,550.98 = 7,052.94/x
  3. Step 3: Cross multiply
    12,717.95x = 17,550.98 × 7,052.94
  4. Step 4: Simplify right side
    12,717.95x = 123,785,921.13
  5. Step 5: Solve for x
    x = 123,785,921.13/12,717.95
  6. Step 6: Final answer
    x = 9,733.17

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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.