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Finding the Fourth Proportional to 36,641.43, 54,925.20 and 14,446.20

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Solution

The fourth proportional to 36,641.43, 54,925.20 and 14,446.20 is: 21,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641.43 : 54,925.20 = 14,446.20 : x
  2. Step 2: Convert to fraction form
    36,641.43/54,925.20 = 14,446.20/x
  3. Step 3: Cross multiply
    36,641.43x = 54,925.20 × 14,446.20
  4. Step 4: Simplify right side
    36,641.43x = 793,460,424.24
  5. Step 5: Solve for x
    x = 793,460,424.24/36,641.43
  6. Step 6: Final answer
    x = 21,654.73

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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.