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Finding the Fourth Proportional to 33,149.99, 45,746.27 and 18,042.28

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Solution

The fourth proportional to 33,149.99, 45,746.27 and 18,042.28 is: 24,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.99 : 45,746.27 = 18,042.28 : x
  2. Step 2: Convert to fraction form
    33,149.99/45,746.27 = 18,042.28/x
  3. Step 3: Cross multiply
    33,149.99x = 45,746.27 × 18,042.28
  4. Step 4: Simplify right side
    33,149.99x = 825,366,875.38
  5. Step 5: Solve for x
    x = 825,366,875.38/33,149.99
  6. Step 6: Final answer
    x = 24,897.95

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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.