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Finding the Fourth Proportional to 61,099.41, 91,649.04 and 16,726.53

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Solution

The fourth proportional to 61,099.41, 91,649.04 and 16,726.53 is: 25,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,099.41 : 91,649.04 = 16,726.53 : x
  2. Step 2: Convert to fraction form
    61,099.41/91,649.04 = 16,726.53/x
  3. Step 3: Cross multiply
    61,099.41x = 91,649.04 × 16,726.53
  4. Step 4: Simplify right side
    61,099.41x = 1,532,970,417.03
  5. Step 5: Solve for x
    x = 1,532,970,417.03/61,099.41
  6. Step 6: Final answer
    x = 25,089.77

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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.