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Finding the Fourth Proportional to 66,772.79, 92,142.96 and 36,552.33

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Solution

The fourth proportional to 66,772.79, 92,142.96 and 36,552.33 is: 50,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.79 : 92,142.96 = 36,552.33 : x
  2. Step 2: Convert to fraction form
    66,772.79/92,142.96 = 36,552.33/x
  3. Step 3: Cross multiply
    66,772.79x = 92,142.96 × 36,552.33
  4. Step 4: Simplify right side
    66,772.79x = 3,368,039,881.10
  5. Step 5: Solve for x
    x = 3,368,039,881.10/66,772.79
  6. Step 6: Final answer
    x = 50,440.30

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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.