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Finding the Fourth Proportional to 29,441.80, 40,636.02 and 19,371.16

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Solution

The fourth proportional to 29,441.80, 40,636.02 and 19,371.16 is: 26,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,441.80 : 40,636.02 = 19,371.16 : x
  2. Step 2: Convert to fraction form
    29,441.80/40,636.02 = 19,371.16/x
  3. Step 3: Cross multiply
    29,441.80x = 40,636.02 × 19,371.16
  4. Step 4: Simplify right side
    29,441.80x = 787,166,845.18
  5. Step 5: Solve for x
    x = 787,166,845.18/29,441.80
  6. Step 6: Final answer
    x = 26,736.37

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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.