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Finding the Fourth Proportional to 1,610.27, 2,416.77 and 637.06

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Solution

The fourth proportional to 1,610.27, 2,416.77 and 637.06 is: 956.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.27 : 2,416.77 = 637.06 : x
  2. Step 2: Convert to fraction form
    1,610.27/2,416.77 = 637.06/x
  3. Step 3: Cross multiply
    1,610.27x = 2,416.77 × 637.06
  4. Step 4: Simplify right side
    1,610.27x = 1,539,615.41
  5. Step 5: Solve for x
    x = 1,539,615.41/1,610.27
  6. Step 6: Final answer
    x = 956.12

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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.