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Finding the Fourth Proportional to 35,360.32, 53,044.80 and 11,993.44

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Solution

The fourth proportional to 35,360.32, 53,044.80 and 11,993.44 is: 17,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,360.32 : 53,044.80 = 11,993.44 : x
  2. Step 2: Convert to fraction form
    35,360.32/53,044.80 = 11,993.44/x
  3. Step 3: Cross multiply
    35,360.32x = 53,044.80 × 11,993.44
  4. Step 4: Simplify right side
    35,360.32x = 636,189,626.11
  5. Step 5: Solve for x
    x = 636,189,626.11/35,360.32
  6. Step 6: Final answer
    x = 17,991.63

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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.