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Finding the Fourth Proportional to 1,725.84, 2,586.33 and 1,237.82

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Solution

The fourth proportional to 1,725.84, 2,586.33 and 1,237.82 is: 1,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.84 : 2,586.33 = 1,237.82 : x
  2. Step 2: Convert to fraction form
    1,725.84/2,586.33 = 1,237.82/x
  3. Step 3: Cross multiply
    1,725.84x = 2,586.33 × 1,237.82
  4. Step 4: Simplify right side
    1,725.84x = 3,201,398.07
  5. Step 5: Solve for x
    x = 3,201,398.07/1,725.84
  6. Step 6: Final answer
    x = 1,854.98

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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.