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Finding the Fourth Proportional to 64,918.64, 97,420.50 and 22,797.62

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Solution

The fourth proportional to 64,918.64, 97,420.50 and 22,797.62 is: 34,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,918.64 : 97,420.50 = 22,797.62 : x
  2. Step 2: Convert to fraction form
    64,918.64/97,420.50 = 22,797.62/x
  3. Step 3: Cross multiply
    64,918.64x = 97,420.50 × 22,797.62
  4. Step 4: Simplify right side
    64,918.64x = 2,220,955,052.11
  5. Step 5: Solve for x
    x = 2,220,955,052.11/64,918.64
  6. Step 6: Final answer
    x = 34,211.36

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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.