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Finding the Fourth Proportional to 29,683.91, 40,963.25 and 16,254.52

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Solution

The fourth proportional to 29,683.91, 40,963.25 and 16,254.52 is: 22,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.91 : 40,963.25 = 16,254.52 : x
  2. Step 2: Convert to fraction form
    29,683.91/40,963.25 = 16,254.52/x
  3. Step 3: Cross multiply
    29,683.91x = 40,963.25 × 16,254.52
  4. Step 4: Simplify right side
    29,683.91x = 665,837,904.62
  5. Step 5: Solve for x
    x = 665,837,904.62/29,683.91
  6. Step 6: Final answer
    x = 22,430.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.