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Finding the Fourth Proportional to 58,694.28, 80,998.14 and 31,836.70

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Solution

The fourth proportional to 58,694.28, 80,998.14 and 31,836.70 is: 43,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,694.28 : 80,998.14 = 31,836.70 : x
  2. Step 2: Convert to fraction form
    58,694.28/80,998.14 = 31,836.70/x
  3. Step 3: Cross multiply
    58,694.28x = 80,998.14 × 31,836.70
  4. Step 4: Simplify right side
    58,694.28x = 2,578,713,483.74
  5. Step 5: Solve for x
    x = 2,578,713,483.74/58,694.28
  6. Step 6: Final answer
    x = 43,934.66

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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.