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Finding the Fourth Proportional to 29,043.50, 40,073.85 and 17,102.48

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Solution

The fourth proportional to 29,043.50, 40,073.85 and 17,102.48 is: 23,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.50 : 40,073.85 = 17,102.48 : x
  2. Step 2: Convert to fraction form
    29,043.50/40,073.85 = 17,102.48/x
  3. Step 3: Cross multiply
    29,043.50x = 40,073.85 × 17,102.48
  4. Step 4: Simplify right side
    29,043.50x = 685,362,218.15
  5. Step 5: Solve for x
    x = 685,362,218.15/29,043.50
  6. Step 6: Final answer
    x = 23,597.78

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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.