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Finding the Fourth Proportional to 64,839.62, 97,220.52 and 25,349.66

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Solution

The fourth proportional to 64,839.62, 97,220.52 and 25,349.66 is: 38,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.62 : 97,220.52 = 25,349.66 : x
  2. Step 2: Convert to fraction form
    64,839.62/97,220.52 = 25,349.66/x
  3. Step 3: Cross multiply
    64,839.62x = 97,220.52 × 25,349.66
  4. Step 4: Simplify right side
    64,839.62x = 2,464,507,127.02
  5. Step 5: Solve for x
    x = 2,464,507,127.02/64,839.62
  6. Step 6: Final answer
    x = 38,009.28

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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.