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Finding the Fourth Proportional to 18,468.92, 27,828.05 and 15,254.03

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Solution

The fourth proportional to 18,468.92, 27,828.05 and 15,254.03 is: 22,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.92 : 27,828.05 = 15,254.03 : x
  2. Step 2: Convert to fraction form
    18,468.92/27,828.05 = 15,254.03/x
  3. Step 3: Cross multiply
    18,468.92x = 27,828.05 × 15,254.03
  4. Step 4: Simplify right side
    18,468.92x = 424,489,909.54
  5. Step 5: Solve for x
    x = 424,489,909.54/18,468.92
  6. Step 6: Final answer
    x = 22,984.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.