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Finding the Fourth Proportional to 57,993.35, 86,988.77 and 18,550.35

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Solution

The fourth proportional to 57,993.35, 86,988.77 and 18,550.35 is: 27,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,993.35 : 86,988.77 = 18,550.35 : x
  2. Step 2: Convert to fraction form
    57,993.35/86,988.77 = 18,550.35/x
  3. Step 3: Cross multiply
    57,993.35x = 86,988.77 × 18,550.35
  4. Step 4: Simplify right side
    57,993.35x = 1,613,671,601.87
  5. Step 5: Solve for x
    x = 1,613,671,601.87/57,993.35
  6. Step 6: Final answer
    x = 27,825.11

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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.