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Finding the Fourth Proportional to 1,566.46, 2,348.44 and 786.04

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Solution

The fourth proportional to 1,566.46, 2,348.44 and 786.04 is: 1,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.46 : 2,348.44 = 786.04 : x
  2. Step 2: Convert to fraction form
    1,566.46/2,348.44 = 786.04/x
  3. Step 3: Cross multiply
    1,566.46x = 2,348.44 × 786.04
  4. Step 4: Simplify right side
    1,566.46x = 1,845,967.78
  5. Step 5: Solve for x
    x = 1,845,967.78/1,566.46
  6. Step 6: Final answer
    x = 1,178.43

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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.