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Finding the Fourth Proportional to 18,357.17, 27,514.76 and 10,463.99

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Solution

The fourth proportional to 18,357.17, 27,514.76 and 10,463.99 is: 15,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.17 : 27,514.76 = 10,463.99 : x
  2. Step 2: Convert to fraction form
    18,357.17/27,514.76 = 10,463.99/x
  3. Step 3: Cross multiply
    18,357.17x = 27,514.76 × 10,463.99
  4. Step 4: Simplify right side
    18,357.17x = 287,913,983.60
  5. Step 5: Solve for x
    x = 287,913,983.60/18,357.17
  6. Step 6: Final answer
    x = 15,684.01

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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.