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Finding the Fourth Proportional to 66,293.84, 99,452.61 and 21,952.42

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Solution

The fourth proportional to 66,293.84, 99,452.61 and 21,952.42 is: 32,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293.84 : 99,452.61 = 21,952.42 : x
  2. Step 2: Convert to fraction form
    66,293.84/99,452.61 = 21,952.42/x
  3. Step 3: Cross multiply
    66,293.84x = 99,452.61 × 21,952.42
  4. Step 4: Simplify right side
    66,293.84x = 2,183,225,216.18
  5. Step 5: Solve for x
    x = 2,183,225,216.18/66,293.84
  6. Step 6: Final answer
    x = 32,932.55

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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.