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Finding the Fourth Proportional to 64,743.64, 97,125.72 and 22,635.40

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Solution

The fourth proportional to 64,743.64, 97,125.72 and 22,635.40 is: 33,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743.64 : 97,125.72 = 22,635.40 : x
  2. Step 2: Convert to fraction form
    64,743.64/97,125.72 = 22,635.40/x
  3. Step 3: Cross multiply
    64,743.64x = 97,125.72 × 22,635.40
  4. Step 4: Simplify right side
    64,743.64x = 2,198,479,522.49
  5. Step 5: Solve for x
    x = 2,198,479,522.49/64,743.64
  6. Step 6: Final answer
    x = 33,956.69

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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.