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Finding the Fourth Proportional to 22,520.77, 33,768.97 and 15,959.77

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Solution

The fourth proportional to 22,520.77, 33,768.97 and 15,959.77 is: 23,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.77 : 33,768.97 = 15,959.77 : x
  2. Step 2: Convert to fraction form
    22,520.77/33,768.97 = 15,959.77/x
  3. Step 3: Cross multiply
    22,520.77x = 33,768.97 × 15,959.77
  4. Step 4: Simplify right side
    22,520.77x = 538,944,994.34
  5. Step 5: Solve for x
    x = 538,944,994.34/22,520.77
  6. Step 6: Final answer
    x = 23,931.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.