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Finding the Fourth Proportional to 66,924.92, 92,357.52 and 36,713

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Solution

The fourth proportional to 66,924.92, 92,357.52 and 36,713 is: 50,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.92 : 92,357.52 = 36,713 : x
  2. Step 2: Convert to fraction form
    66,924.92/92,357.52 = 36,713/x
  3. Step 3: Cross multiply
    66,924.92x = 92,357.52 × 36,713
  4. Step 4: Simplify right side
    66,924.92x = 3,390,721,631.76
  5. Step 5: Solve for x
    x = 3,390,721,631.76/66,924.92
  6. Step 6: Final answer
    x = 50,664.56

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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.