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Finding the Fourth Proportional to 11,418.84, 17,133.84 and 5,182.92

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Solution

The fourth proportional to 11,418.84, 17,133.84 and 5,182.92 is: 7,776.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.84 : 17,133.84 = 5,182.92 : x
  2. Step 2: Convert to fraction form
    11,418.84/17,133.84 = 5,182.92/x
  3. Step 3: Cross multiply
    11,418.84x = 17,133.84 × 5,182.92
  4. Step 4: Simplify right side
    11,418.84x = 88,803,322.01
  5. Step 5: Solve for x
    x = 88,803,322.01/11,418.84
  6. Step 6: Final answer
    x = 7,776.91

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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.