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Finding the Fourth Proportional to 58,574.53, 80,832.73 and 31,717.11

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Solution

The fourth proportional to 58,574.53, 80,832.73 and 31,717.11 is: 43,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,574.53 : 80,832.73 = 31,717.11 : x
  2. Step 2: Convert to fraction form
    58,574.53/80,832.73 = 31,717.11/x
  3. Step 3: Cross multiply
    58,574.53x = 80,832.73 × 31,717.11
  4. Step 4: Simplify right side
    58,574.53x = 2,563,780,589.01
  5. Step 5: Solve for x
    x = 2,563,780,589.01/58,574.53
  6. Step 6: Final answer
    x = 43,769.55

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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.