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Finding the Fourth Proportional to 66,967.28, 92,411.76 and 36,751.84

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Solution

The fourth proportional to 66,967.28, 92,411.76 and 36,751.84 is: 50,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,967.28 : 92,411.76 = 36,751.84 : x
  2. Step 2: Convert to fraction form
    66,967.28/92,411.76 = 36,751.84/x
  3. Step 3: Cross multiply
    66,967.28x = 92,411.76 × 36,751.84
  4. Step 4: Simplify right side
    66,967.28x = 3,396,302,217.64
  5. Step 5: Solve for x
    x = 3,396,302,217.64/66,967.28
  6. Step 6: Final answer
    x = 50,715.85

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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.