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Finding the Fourth Proportional to 29,619.25, 40,874.57 and 16,371.25

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Solution

The fourth proportional to 29,619.25, 40,874.57 and 16,371.25 is: 22,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.25 : 40,874.57 = 16,371.25 : x
  2. Step 2: Convert to fraction form
    29,619.25/40,874.57 = 16,371.25/x
  3. Step 3: Cross multiply
    29,619.25x = 40,874.57 × 16,371.25
  4. Step 4: Simplify right side
    29,619.25x = 669,167,804.11
  5. Step 5: Solve for x
    x = 669,167,804.11/29,619.25
  6. Step 6: Final answer
    x = 22,592.33

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1.5x scale

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.