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Finding the Fourth Proportional to 1,723.47, 2,585.48 and 799.98

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Solution

The fourth proportional to 1,723.47, 2,585.48 and 799.98 is: 1,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.47 : 2,585.48 = 799.98 : x
  2. Step 2: Convert to fraction form
    1,723.47/2,585.48 = 799.98/x
  3. Step 3: Cross multiply
    1,723.47x = 2,585.48 × 799.98
  4. Step 4: Simplify right side
    1,723.47x = 2,068,328.29
  5. Step 5: Solve for x
    x = 2,068,328.29/1,723.47
  6. Step 6: Final answer
    x = 1,200.10

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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.