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Finding the Fourth Proportional to 1,482.14, 2,045.36 and 852.71

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Solution

The fourth proportional to 1,482.14, 2,045.36 and 852.71 is: 1,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.14 : 2,045.36 = 852.71 : x
  2. Step 2: Convert to fraction form
    1,482.14/2,045.36 = 852.71/x
  3. Step 3: Cross multiply
    1,482.14x = 2,045.36 × 852.71
  4. Step 4: Simplify right side
    1,482.14x = 1,744,084.44
  5. Step 5: Solve for x
    x = 1,744,084.44/1,482.14
  6. Step 6: Final answer
    x = 1,176.74

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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.