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Finding the Fourth Proportional to 64,722, 97,082.88 and 37,000.56

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Solution

The fourth proportional to 64,722, 97,082.88 and 37,000.56 is: 55,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,722 : 97,082.88 = 37,000.56 : x
  2. Step 2: Convert to fraction form
    64,722/97,082.88 = 37,000.56/x
  3. Step 3: Cross multiply
    64,722x = 97,082.88 × 37,000.56
  4. Step 4: Simplify right side
    64,722x = 3,592,120,926.41
  5. Step 5: Solve for x
    x = 3,592,120,926.41/64,722
  6. Step 6: Final answer
    x = 55,500.77

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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.