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Finding the Fourth Proportional to 18,593.47, 27,893.65 and 6,117.11

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Solution

The fourth proportional to 18,593.47, 27,893.65 and 6,117.11 is: 9,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.47 : 27,893.65 = 6,117.11 : x
  2. Step 2: Convert to fraction form
    18,593.47/27,893.65 = 6,117.11/x
  3. Step 3: Cross multiply
    18,593.47x = 27,893.65 × 6,117.11
  4. Step 4: Simplify right side
    18,593.47x = 170,628,525.35
  5. Step 5: Solve for x
    x = 170,628,525.35/18,593.47
  6. Step 6: Final answer
    x = 9,176.80

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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.