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Finding the Fourth Proportional to 66,887.94, 100,337.37 and 33,590.88

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Solution

The fourth proportional to 66,887.94, 100,337.37 and 33,590.88 is: 50,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887.94 : 100,337.37 = 33,590.88 : x
  2. Step 2: Convert to fraction form
    66,887.94/100,337.37 = 33,590.88/x
  3. Step 3: Cross multiply
    66,887.94x = 100,337.37 × 33,590.88
  4. Step 4: Simplify right side
    66,887.94x = 3,370,420,555.19
  5. Step 5: Solve for x
    x = 3,370,420,555.19/66,887.94
  6. Step 6: Final answer
    x = 50,389.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.