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Finding the Fourth Proportional to 66,241.50, 99,362.32 and 26,798.96

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Solution

The fourth proportional to 66,241.50, 99,362.32 and 26,798.96 is: 40,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,241.50 : 99,362.32 = 26,798.96 : x
  2. Step 2: Convert to fraction form
    66,241.50/99,362.32 = 26,798.96/x
  3. Step 3: Cross multiply
    66,241.50x = 99,362.32 × 26,798.96
  4. Step 4: Simplify right side
    66,241.50x = 2,662,806,839.19
  5. Step 5: Solve for x
    x = 2,662,806,839.19/66,241.50
  6. Step 6: Final answer
    x = 40,198.47

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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.