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Finding the Fourth Proportional to 22,178.71, 30,593.31 and 16,203.07

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Solution

The fourth proportional to 22,178.71, 30,593.31 and 16,203.07 is: 22,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.71 : 30,593.31 = 16,203.07 : x
  2. Step 2: Convert to fraction form
    22,178.71/30,593.31 = 16,203.07/x
  3. Step 3: Cross multiply
    22,178.71x = 30,593.31 × 16,203.07
  4. Step 4: Simplify right side
    22,178.71x = 495,705,543.46
  5. Step 5: Solve for x
    x = 495,705,543.46/22,178.71
  6. Step 6: Final answer
    x = 22,350.51

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Half scale
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Double scale
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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.