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Finding the Fourth Proportional to 15,164.42, 22,731.78 and 7,264.70

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Solution

The fourth proportional to 15,164.42, 22,731.78 and 7,264.70 is: 10,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.42 : 22,731.78 = 7,264.70 : x
  2. Step 2: Convert to fraction form
    15,164.42/22,731.78 = 7,264.70/x
  3. Step 3: Cross multiply
    15,164.42x = 22,731.78 × 7,264.70
  4. Step 4: Simplify right side
    15,164.42x = 165,139,562.17
  5. Step 5: Solve for x
    x = 165,139,562.17/15,164.42
  6. Step 6: Final answer
    x = 10,889.94

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1.5x scale

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.