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Finding the Fourth Proportional to 23,978.05, 33,093.95 and 15,033.22

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Solution

The fourth proportional to 23,978.05, 33,093.95 and 15,033.22 is: 20,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,978.05 : 33,093.95 = 15,033.22 : x
  2. Step 2: Convert to fraction form
    23,978.05/33,093.95 = 15,033.22/x
  3. Step 3: Cross multiply
    23,978.05x = 33,093.95 × 15,033.22
  4. Step 4: Simplify right side
    23,978.05x = 497,508,473.12
  5. Step 5: Solve for x
    x = 497,508,473.12/23,978.05
  6. Step 6: Final answer
    x = 20,748.50

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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.