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Finding the Fourth Proportional to 4,652.34, 6,978.48 and 2,922.18

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Solution

The fourth proportional to 4,652.34, 6,978.48 and 2,922.18 is: 4,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.34 : 6,978.48 = 2,922.18 : x
  2. Step 2: Convert to fraction form
    4,652.34/6,978.48 = 2,922.18/x
  3. Step 3: Cross multiply
    4,652.34x = 6,978.48 × 2,922.18
  4. Step 4: Simplify right side
    4,652.34x = 20,392,374.69
  5. Step 5: Solve for x
    x = 20,392,374.69/4,652.34
  6. Step 6: Final answer
    x = 4,383.25

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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.