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Finding the Fourth Proportional to 22,197.59, 30,621.30 and 15,027.77

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Solution

The fourth proportional to 22,197.59, 30,621.30 and 15,027.77 is: 20,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.59 : 30,621.30 = 15,027.77 : x
  2. Step 2: Convert to fraction form
    22,197.59/30,621.30 = 15,027.77/x
  3. Step 3: Cross multiply
    22,197.59x = 30,621.30 × 15,027.77
  4. Step 4: Simplify right side
    22,197.59x = 460,169,764.06
  5. Step 5: Solve for x
    x = 460,169,764.06/22,197.59
  6. Step 6: Final answer
    x = 20,730.61

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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.