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Finding the Fourth Proportional to 29,040.77, 40,074.41 and 17,101.79

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Solution

The fourth proportional to 29,040.77, 40,074.41 and 17,101.79 is: 23,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.77 : 40,074.41 = 17,101.79 : x
  2. Step 2: Convert to fraction form
    29,040.77/40,074.41 = 17,101.79/x
  3. Step 3: Cross multiply
    29,040.77x = 40,074.41 × 17,101.79
  4. Step 4: Simplify right side
    29,040.77x = 685,343,858.31
  5. Step 5: Solve for x
    x = 685,343,858.31/29,040.77
  6. Step 6: Final answer
    x = 23,599.37

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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.