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Finding the Fourth Proportional to 66,592.50, 91,897.68 and 36,786.42

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Solution

The fourth proportional to 66,592.50, 91,897.68 and 36,786.42 is: 50,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,592.50 : 91,897.68 = 36,786.42 : x
  2. Step 2: Convert to fraction form
    66,592.50/91,897.68 = 36,786.42/x
  3. Step 3: Cross multiply
    66,592.50x = 91,897.68 × 36,786.42
  4. Step 4: Simplify right side
    66,592.50x = 3,380,586,653.51
  5. Step 5: Solve for x
    x = 3,380,586,653.51/66,592.50
  6. Step 6: Final answer
    x = 50,765.28

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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.