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Finding the Fourth Proportional to 57,400.80, 86,101.20 and 22,317.68

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Solution

The fourth proportional to 57,400.80, 86,101.20 and 22,317.68 is: 33,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.80 : 86,101.20 = 22,317.68 : x
  2. Step 2: Convert to fraction form
    57,400.80/86,101.20 = 22,317.68/x
  3. Step 3: Cross multiply
    57,400.80x = 86,101.20 × 22,317.68
  4. Step 4: Simplify right side
    57,400.80x = 1,921,578,598.71
  5. Step 5: Solve for x
    x = 1,921,578,598.71/57,400.80
  6. Step 6: Final answer
    x = 33,476.51

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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.