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Finding the Fourth Proportional to 21,952.20, 32,895.87 and 10,076.67

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Solution

The fourth proportional to 21,952.20, 32,895.87 and 10,076.67 is: 15,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.20 : 32,895.87 = 10,076.67 : x
  2. Step 2: Convert to fraction form
    21,952.20/32,895.87 = 10,076.67/x
  3. Step 3: Cross multiply
    21,952.20x = 32,895.87 × 10,076.67
  4. Step 4: Simplify right side
    21,952.20x = 331,480,826.35
  5. Step 5: Solve for x
    x = 331,480,826.35/21,952.20
  6. Step 6: Final answer
    x = 15,100.12

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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.