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Finding the Fourth Proportional to 61,937.46, 85,471.74 and 35,082.45

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Solution

The fourth proportional to 61,937.46, 85,471.74 and 35,082.45 is: 48,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.46 : 85,471.74 = 35,082.45 : x
  2. Step 2: Convert to fraction form
    61,937.46/85,471.74 = 35,082.45/x
  3. Step 3: Cross multiply
    61,937.46x = 85,471.74 × 35,082.45
  4. Step 4: Simplify right side
    61,937.46x = 2,998,558,044.96
  5. Step 5: Solve for x
    x = 2,998,558,044.96/61,937.46
  6. Step 6: Final answer
    x = 48,412.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.