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Finding the Fourth Proportional to 22,256, 33,389.70 and 15,695

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Solution

The fourth proportional to 22,256, 33,389.70 and 15,695 is: 23,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256 : 33,389.70 = 15,695 : x
  2. Step 2: Convert to fraction form
    22,256/33,389.70 = 15,695/x
  3. Step 3: Cross multiply
    22,256x = 33,389.70 × 15,695
  4. Step 4: Simplify right side
    22,256x = 524,051,341.50
  5. Step 5: Solve for x
    x = 524,051,341.50/22,256
  6. Step 6: Final answer
    x = 23,546.52

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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.