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Finding the Fourth Proportional to 35,673.62, 49,229.47 and 20,566.20

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Solution

The fourth proportional to 35,673.62, 49,229.47 and 20,566.20 is: 28,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.62 : 49,229.47 = 20,566.20 : x
  2. Step 2: Convert to fraction form
    35,673.62/49,229.47 = 20,566.20/x
  3. Step 3: Cross multiply
    35,673.62x = 49,229.47 × 20,566.20
  4. Step 4: Simplify right side
    35,673.62x = 1,012,463,023.08
  5. Step 5: Solve for x
    x = 1,012,463,023.08/35,673.62
  6. Step 6: Final answer
    x = 28,381.28

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Double scale
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Similar ratio
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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.