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Finding the Fourth Proportional to 66,998.88, 92,458.08 and 36,784.71

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Solution

The fourth proportional to 66,998.88, 92,458.08 and 36,784.71 is: 50,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.88 : 92,458.08 = 36,784.71 : x
  2. Step 2: Convert to fraction form
    66,998.88/92,458.08 = 36,784.71/x
  3. Step 3: Cross multiply
    66,998.88x = 92,458.08 × 36,784.71
  4. Step 4: Simplify right side
    66,998.88x = 3,401,043,659.96
  5. Step 5: Solve for x
    x = 3,401,043,659.96/66,998.88
  6. Step 6: Final answer
    x = 50,762.69

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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.