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Finding the Fourth Proportional to 1,725.54, 2,587.93 and 492.62

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Solution

The fourth proportional to 1,725.54, 2,587.93 and 492.62 is: 738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.54 : 2,587.93 = 492.62 : x
  2. Step 2: Convert to fraction form
    1,725.54/2,587.93 = 492.62/x
  3. Step 3: Cross multiply
    1,725.54x = 2,587.93 × 492.62
  4. Step 4: Simplify right side
    1,725.54x = 1,274,854.68
  5. Step 5: Solve for x
    x = 1,274,854.68/1,725.54
  6. Step 6: Final answer
    x = 738.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.