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Finding the Fourth Proportional to 66,722.72, 92,083.60 and 36,924.32

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Solution

The fourth proportional to 66,722.72, 92,083.60 and 36,924.32 is: 50,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.72 : 92,083.60 = 36,924.32 : x
  2. Step 2: Convert to fraction form
    66,722.72/92,083.60 = 36,924.32/x
  3. Step 3: Cross multiply
    66,722.72x = 92,083.60 × 36,924.32
  4. Step 4: Simplify right side
    66,722.72x = 3,400,124,313.15
  5. Step 5: Solve for x
    x = 3,400,124,313.15/66,722.72
  6. Step 6: Final answer
    x = 50,959.02

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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.