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Finding the Fourth Proportional to 58,614.54, 80,888.14 and 31,757.05

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Solution

The fourth proportional to 58,614.54, 80,888.14 and 31,757.05 is: 43,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,614.54 : 80,888.14 = 31,757.05 : x
  2. Step 2: Convert to fraction form
    58,614.54/80,888.14 = 31,757.05/x
  3. Step 3: Cross multiply
    58,614.54x = 80,888.14 × 31,757.05
  4. Step 4: Simplify right side
    58,614.54x = 2,568,768,301.95
  5. Step 5: Solve for x
    x = 2,568,768,301.95/58,614.54
  6. Step 6: Final answer
    x = 43,824.77

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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.