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Finding the Fourth Proportional to 63,810, 95,715.81 and 22,257

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Solution

The fourth proportional to 63,810, 95,715.81 and 22,257 is: 33,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,810 : 95,715.81 = 22,257 : x
  2. Step 2: Convert to fraction form
    63,810/95,715.81 = 22,257/x
  3. Step 3: Cross multiply
    63,810x = 95,715.81 × 22,257
  4. Step 4: Simplify right side
    63,810x = 2,130,346,783.17
  5. Step 5: Solve for x
    x = 2,130,346,783.17/63,810
  6. Step 6: Final answer
    x = 33,385.78

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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.