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Finding the Fourth Proportional to 67,521.72, 101,260.90 and 22,531.16

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Solution

The fourth proportional to 67,521.72, 101,260.90 and 22,531.16 is: 33,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,521.72 : 101,260.90 = 22,531.16 : x
  2. Step 2: Convert to fraction form
    67,521.72/101,260.90 = 22,531.16/x
  3. Step 3: Cross multiply
    67,521.72x = 101,260.90 × 22,531.16
  4. Step 4: Simplify right side
    67,521.72x = 2,281,525,539.64
  5. Step 5: Solve for x
    x = 2,281,525,539.64/67,521.72
  6. Step 6: Final answer
    x = 33,789.51

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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.