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Finding the Fourth Proportional to 1,482.82, 2,046.07 and 885.17

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Solution

The fourth proportional to 1,482.82, 2,046.07 and 885.17 is: 1,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.82 : 2,046.07 = 885.17 : x
  2. Step 2: Convert to fraction form
    1,482.82/2,046.07 = 885.17/x
  3. Step 3: Cross multiply
    1,482.82x = 2,046.07 × 885.17
  4. Step 4: Simplify right side
    1,482.82x = 1,811,126.00
  5. Step 5: Solve for x
    x = 1,811,126.00/1,482.82
  6. Step 6: Final answer
    x = 1,221.41

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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.