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Finding the Fourth Proportional to 64,839.36, 97,220.10 and 25,349.42

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Solution

The fourth proportional to 64,839.36, 97,220.10 and 25,349.42 is: 38,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.36 : 97,220.10 = 25,349.42 : x
  2. Step 2: Convert to fraction form
    64,839.36/97,220.10 = 25,349.42/x
  3. Step 3: Cross multiply
    64,839.36x = 97,220.10 × 25,349.42
  4. Step 4: Simplify right side
    64,839.36x = 2,464,473,147.34
  5. Step 5: Solve for x
    x = 2,464,473,147.34/64,839.36
  6. Step 6: Final answer
    x = 38,008.91

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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.