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Finding the Fourth Proportional to 15,074.71, 22,595.06 and 7,274.41

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Solution

The fourth proportional to 15,074.71, 22,595.06 and 7,274.41 is: 10,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.71 : 22,595.06 = 7,274.41 : x
  2. Step 2: Convert to fraction form
    15,074.71/22,595.06 = 7,274.41/x
  3. Step 3: Cross multiply
    15,074.71x = 22,595.06 × 7,274.41
  4. Step 4: Simplify right side
    15,074.71x = 164,365,694.04
  5. Step 5: Solve for x
    x = 164,365,694.04/15,074.71
  6. Step 6: Final answer
    x = 10,903.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.