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Finding the Fourth Proportional to 58,780.52, 81,114.88 and 31,922.44

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Solution

The fourth proportional to 58,780.52, 81,114.88 and 31,922.44 is: 44,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.52 : 81,114.88 = 31,922.44 : x
  2. Step 2: Convert to fraction form
    58,780.52/81,114.88 = 31,922.44/x
  3. Step 3: Cross multiply
    58,780.52x = 81,114.88 × 31,922.44
  4. Step 4: Simplify right side
    58,780.52x = 2,589,384,889.91
  5. Step 5: Solve for x
    x = 2,589,384,889.91/58,780.52
  6. Step 6: Final answer
    x = 44,051.75

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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.