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Finding the Fourth Proportional to 18,100.04, 24,978.02 and 11,026.46

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Solution

The fourth proportional to 18,100.04, 24,978.02 and 11,026.46 is: 15,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.04 : 24,978.02 = 11,026.46 : x
  2. Step 2: Convert to fraction form
    18,100.04/24,978.02 = 11,026.46/x
  3. Step 3: Cross multiply
    18,100.04x = 24,978.02 × 11,026.46
  4. Step 4: Simplify right side
    18,100.04x = 275,419,005.22
  5. Step 5: Solve for x
    x = 275,419,005.22/18,100.04
  6. Step 6: Final answer
    x = 15,216.49

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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.