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Finding the Fourth Proportional to 66,965.79, 92,412.50 and 36,751.62

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Solution

The fourth proportional to 66,965.79, 92,412.50 and 36,751.62 is: 50,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.79 : 92,412.50 = 36,751.62 : x
  2. Step 2: Convert to fraction form
    66,965.79/92,412.50 = 36,751.62/x
  3. Step 3: Cross multiply
    66,965.79x = 92,412.50 × 36,751.62
  4. Step 4: Simplify right side
    66,965.79x = 3,396,309,246.04
  5. Step 5: Solve for x
    x = 3,396,309,246.04/66,965.79
  6. Step 6: Final answer
    x = 50,717.08

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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.