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Finding the Fourth Proportional to 66,324.70, 91,525.08 and 36,109.27

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Solution

The fourth proportional to 66,324.70, 91,525.08 and 36,109.27 is: 49,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,324.70 : 91,525.08 = 36,109.27 : x
  2. Step 2: Convert to fraction form
    66,324.70/91,525.08 = 36,109.27/x
  3. Step 3: Cross multiply
    66,324.70x = 91,525.08 × 36,109.27
  4. Step 4: Simplify right side
    66,324.70x = 3,304,903,825.49
  5. Step 5: Solve for x
    x = 3,304,903,825.49/66,324.70
  6. Step 6: Final answer
    x = 49,829.16

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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.