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Finding the Fourth Proportional to 67,353.84, 92,956.68 and 38,682.45

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Solution

The fourth proportional to 67,353.84, 92,956.68 and 38,682.45 is: 53,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.84 : 92,956.68 = 38,682.45 : x
  2. Step 2: Convert to fraction form
    67,353.84/92,956.68 = 38,682.45/x
  3. Step 3: Cross multiply
    67,353.84x = 92,956.68 × 38,682.45
  4. Step 4: Simplify right side
    67,353.84x = 3,595,792,126.27
  5. Step 5: Solve for x
    x = 3,595,792,126.27/67,353.84
  6. Step 6: Final answer
    x = 53,386.59

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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.