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Finding the Fourth Proportional to 57,910.71, 86,866.98 and 22,850.06

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Solution

The fourth proportional to 57,910.71, 86,866.98 and 22,850.06 is: 34,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.71 : 86,866.98 = 22,850.06 : x
  2. Step 2: Convert to fraction form
    57,910.71/86,866.98 = 22,850.06/x
  3. Step 3: Cross multiply
    57,910.71x = 86,866.98 × 22,850.06
  4. Step 4: Simplify right side
    57,910.71x = 1,984,915,922.19
  5. Step 5: Solve for x
    x = 1,984,915,922.19/57,910.71
  6. Step 6: Final answer
    x = 34,275.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.