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Finding the Fourth Proportional to 35,093.65, 48,432.12 and 19,991.05

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Solution

The fourth proportional to 35,093.65, 48,432.12 and 19,991.05 is: 27,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,093.65 : 48,432.12 = 19,991.05 : x
  2. Step 2: Convert to fraction form
    35,093.65/48,432.12 = 19,991.05/x
  3. Step 3: Cross multiply
    35,093.65x = 48,432.12 × 19,991.05
  4. Step 4: Simplify right side
    35,093.65x = 968,208,932.53
  5. Step 5: Solve for x
    x = 968,208,932.53/35,093.65
  6. Step 6: Final answer
    x = 27,589.29

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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.