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Finding the Fourth Proportional to 1,641.80, 2,473.76 and 1,464.95

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Solution

The fourth proportional to 1,641.80, 2,473.76 and 1,464.95 is: 2,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.80 : 2,473.76 = 1,464.95 : x
  2. Step 2: Convert to fraction form
    1,641.80/2,473.76 = 1,464.95/x
  3. Step 3: Cross multiply
    1,641.80x = 2,473.76 × 1,464.95
  4. Step 4: Simplify right side
    1,641.80x = 3,623,915.02
  5. Step 5: Solve for x
    x = 3,623,915.02/1,641.80
  6. Step 6: Final answer
    x = 2,207.29

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.