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Finding the Fourth Proportional to 45,548.76, 68,331.34 and 21,836.22

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Solution

The fourth proportional to 45,548.76, 68,331.34 and 21,836.22 is: 32,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.76 : 68,331.34 = 21,836.22 : x
  2. Step 2: Convert to fraction form
    45,548.76/68,331.34 = 21,836.22/x
  3. Step 3: Cross multiply
    45,548.76x = 68,331.34 × 21,836.22
  4. Step 4: Simplify right side
    45,548.76x = 1,492,098,173.13
  5. Step 5: Solve for x
    x = 1,492,098,173.13/45,548.76
  6. Step 6: Final answer
    x = 32,758.26

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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.