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Finding the Fourth Proportional to 4,539.89, 6,807.20 and 1,763.31

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Solution

The fourth proportional to 4,539.89, 6,807.20 and 1,763.31 is: 2,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.89 : 6,807.20 = 1,763.31 : x
  2. Step 2: Convert to fraction form
    4,539.89/6,807.20 = 1,763.31/x
  3. Step 3: Cross multiply
    4,539.89x = 6,807.20 × 1,763.31
  4. Step 4: Simplify right side
    4,539.89x = 12,003,227.15
  5. Step 5: Solve for x
    x = 12,003,227.15/4,539.89
  6. Step 6: Final answer
    x = 2,643.95

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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.