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Finding the Fourth Proportional to 15,170.70, 22,746.23 and 7,273.02

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Solution

The fourth proportional to 15,170.70, 22,746.23 and 7,273.02 is: 10,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.70 : 22,746.23 = 7,273.02 : x
  2. Step 2: Convert to fraction form
    15,170.70/22,746.23 = 7,273.02/x
  3. Step 3: Cross multiply
    15,170.70x = 22,746.23 × 7,273.02
  4. Step 4: Simplify right side
    15,170.70x = 165,433,785.71
  5. Step 5: Solve for x
    x = 165,433,785.71/15,170.70
  6. Step 6: Final answer
    x = 10,904.82

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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.