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Finding the Fourth Proportional to 66,847.50, 92,249.55 and 37,039.50

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Solution

The fourth proportional to 66,847.50, 92,249.55 and 37,039.50 is: 51,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.50 : 92,249.55 = 37,039.50 : x
  2. Step 2: Convert to fraction form
    66,847.50/92,249.55 = 37,039.50/x
  3. Step 3: Cross multiply
    66,847.50x = 92,249.55 × 37,039.50
  4. Step 4: Simplify right side
    66,847.50x = 3,416,877,207.23
  5. Step 5: Solve for x
    x = 3,416,877,207.23/66,847.50
  6. Step 6: Final answer
    x = 51,114.51

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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.