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Finding the Fourth Proportional to 64,463.43, 96,670.54 and 25,015.42

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Solution

The fourth proportional to 64,463.43, 96,670.54 and 25,015.42 is: 37,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.43 : 96,670.54 = 25,015.42 : x
  2. Step 2: Convert to fraction form
    64,463.43/96,670.54 = 25,015.42/x
  3. Step 3: Cross multiply
    64,463.43x = 96,670.54 × 25,015.42
  4. Step 4: Simplify right side
    64,463.43x = 2,418,254,159.73
  5. Step 5: Solve for x
    x = 2,418,254,159.73/64,463.43
  6. Step 6: Final answer
    x = 37,513.58

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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.