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Finding the Fourth Proportional to 67,709.84, 93,439.80 and 37,082.96

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Solution

The fourth proportional to 67,709.84, 93,439.80 and 37,082.96 is: 51,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709.84 : 93,439.80 = 37,082.96 : x
  2. Step 2: Convert to fraction form
    67,709.84/93,439.80 = 37,082.96/x
  3. Step 3: Cross multiply
    67,709.84x = 93,439.80 × 37,082.96
  4. Step 4: Simplify right side
    67,709.84x = 3,465,024,365.81
  5. Step 5: Solve for x
    x = 3,465,024,365.81/67,709.84
  6. Step 6: Final answer
    x = 51,174.61

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1.5x scale

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.