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Finding the Fourth Proportional to 39,492.49, 54,493.54 and 22,722.25

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Solution

The fourth proportional to 39,492.49, 54,493.54 and 22,722.25 is: 31,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.49 : 54,493.54 = 22,722.25 : x
  2. Step 2: Convert to fraction form
    39,492.49/54,493.54 = 22,722.25/x
  3. Step 3: Cross multiply
    39,492.49x = 54,493.54 × 22,722.25
  4. Step 4: Simplify right side
    39,492.49x = 1,238,215,839.27
  5. Step 5: Solve for x
    x = 1,238,215,839.27/39,492.49
  6. Step 6: Final answer
    x = 31,353.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.