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Finding the Fourth Proportional to 18,357.88, 27,536.22 and 5,877.76

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Solution

The fourth proportional to 18,357.88, 27,536.22 and 5,877.76 is: 8,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.88 : 27,536.22 = 5,877.76 : x
  2. Step 2: Convert to fraction form
    18,357.88/27,536.22 = 5,877.76/x
  3. Step 3: Cross multiply
    18,357.88x = 27,536.22 × 5,877.76
  4. Step 4: Simplify right side
    18,357.88x = 161,851,292.47
  5. Step 5: Solve for x
    x = 161,851,292.47/18,357.88
  6. Step 6: Final answer
    x = 8,816.45

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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.