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Finding the Fourth Proportional to 35,809.10, 53,713.65 and 18,276.65

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Solution

The fourth proportional to 35,809.10, 53,713.65 and 18,276.65 is: 27,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.10 : 53,713.65 = 18,276.65 : x
  2. Step 2: Convert to fraction form
    35,809.10/53,713.65 = 18,276.65/x
  3. Step 3: Cross multiply
    35,809.10x = 53,713.65 × 18,276.65
  4. Step 4: Simplify right side
    35,809.10x = 981,705,581.27
  5. Step 5: Solve for x
    x = 981,705,581.27/35,809.10
  6. Step 6: Final answer
    x = 27,414.98

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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.