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Finding the Fourth Proportional to 29,594.97, 40,835.54 and 18,274.21

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Solution

The fourth proportional to 29,594.97, 40,835.54 and 18,274.21 is: 25,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,594.97 : 40,835.54 = 18,274.21 : x
  2. Step 2: Convert to fraction form
    29,594.97/40,835.54 = 18,274.21/x
  3. Step 3: Cross multiply
    29,594.97x = 40,835.54 × 18,274.21
  4. Step 4: Simplify right side
    29,594.97x = 746,237,177.02
  5. Step 5: Solve for x
    x = 746,237,177.02/29,594.97
  6. Step 6: Final answer
    x = 25,215.00

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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.