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Finding the Fourth Proportional to 64,710.43, 97,109.97 and 22,590.51

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Solution

The fourth proportional to 64,710.43, 97,109.97 and 22,590.51 is: 33,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.43 : 97,109.97 = 22,590.51 : x
  2. Step 2: Convert to fraction form
    64,710.43/97,109.97 = 22,590.51/x
  3. Step 3: Cross multiply
    64,710.43x = 97,109.97 × 22,590.51
  4. Step 4: Simplify right side
    64,710.43x = 2,193,763,972.82
  5. Step 5: Solve for x
    x = 2,193,763,972.82/64,710.43
  6. Step 6: Final answer
    x = 33,901.24

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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.