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Finding the Fourth Proportional to 2,459.54, 3,689.26 and 610.66

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Solution

The fourth proportional to 2,459.54, 3,689.26 and 610.66 is: 915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.54 : 3,689.26 = 610.66 : x
  2. Step 2: Convert to fraction form
    2,459.54/3,689.26 = 610.66/x
  3. Step 3: Cross multiply
    2,459.54x = 3,689.26 × 610.66
  4. Step 4: Simplify right side
    2,459.54x = 2,252,883.51
  5. Step 5: Solve for x
    x = 2,252,883.51/2,459.54
  6. Step 6: Final answer
    x = 915.98

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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.