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Finding the Fourth Proportional to 1,566.76, 2,348.42 and 982.19

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Solution

The fourth proportional to 1,566.76, 2,348.42 and 982.19 is: 1,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.76 : 2,348.42 = 982.19 : x
  2. Step 2: Convert to fraction form
    1,566.76/2,348.42 = 982.19/x
  3. Step 3: Cross multiply
    1,566.76x = 2,348.42 × 982.19
  4. Step 4: Simplify right side
    1,566.76x = 2,306,594.64
  5. Step 5: Solve for x
    x = 2,306,594.64/1,566.76
  6. Step 6: Final answer
    x = 1,472.21

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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.