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Finding the Fourth Proportional to 1,752.98, 2,623.23 and 1,259.87

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Solution

The fourth proportional to 1,752.98, 2,623.23 and 1,259.87 is: 1,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.98 : 2,623.23 = 1,259.87 : x
  2. Step 2: Convert to fraction form
    1,752.98/2,623.23 = 1,259.87/x
  3. Step 3: Cross multiply
    1,752.98x = 2,623.23 × 1,259.87
  4. Step 4: Simplify right side
    1,752.98x = 3,304,915.66
  5. Step 5: Solve for x
    x = 3,304,915.66/1,752.98
  6. Step 6: Final answer
    x = 1,885.32

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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.