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Finding the Fourth Proportional to 67,522.21, 101,283.21 and 20,775.08

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Solution

The fourth proportional to 67,522.21, 101,283.21 and 20,775.08 is: 31,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,522.21 : 101,283.21 = 20,775.08 : x
  2. Step 2: Convert to fraction form
    67,522.21/101,283.21 = 20,775.08/x
  3. Step 3: Cross multiply
    67,522.21x = 101,283.21 × 20,775.08
  4. Step 4: Simplify right side
    67,522.21x = 2,104,167,043.61
  5. Step 5: Solve for x
    x = 2,104,167,043.61/67,522.21
  6. Step 6: Final answer
    x = 31,162.59

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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.