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Finding the Fourth Proportional to 1,482.18, 2,045.56 and 852.73

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Solution

The fourth proportional to 1,482.18, 2,045.56 and 852.73 is: 1,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.18 : 2,045.56 = 852.73 : x
  2. Step 2: Convert to fraction form
    1,482.18/2,045.56 = 852.73/x
  3. Step 3: Cross multiply
    1,482.18x = 2,045.56 × 852.73
  4. Step 4: Simplify right side
    1,482.18x = 1,744,310.38
  5. Step 5: Solve for x
    x = 1,744,310.38/1,482.18
  6. Step 6: Final answer
    x = 1,176.86

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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.