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Finding the Fourth Proportional to 29,510.58, 40,695.66 and 18,736.74

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Solution

The fourth proportional to 29,510.58, 40,695.66 and 18,736.74 is: 25,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,510.58 : 40,695.66 = 18,736.74 : x
  2. Step 2: Convert to fraction form
    29,510.58/40,695.66 = 18,736.74/x
  3. Step 3: Cross multiply
    29,510.58x = 40,695.66 × 18,736.74
  4. Step 4: Simplify right side
    29,510.58x = 762,504,244.01
  5. Step 5: Solve for x
    x = 762,504,244.01/29,510.58
  6. Step 6: Final answer
    x = 25,838.34

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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.