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Finding the Fourth Proportional to 18,463.86, 27,651.65 and 10,648.98

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Solution

The fourth proportional to 18,463.86, 27,651.65 and 10,648.98 is: 15,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.86 : 27,651.65 = 10,648.98 : x
  2. Step 2: Convert to fraction form
    18,463.86/27,651.65 = 10,648.98/x
  3. Step 3: Cross multiply
    18,463.86x = 27,651.65 × 10,648.98
  4. Step 4: Simplify right side
    18,463.86x = 294,461,814.57
  5. Step 5: Solve for x
    x = 294,461,814.57/18,463.86
  6. Step 6: Final answer
    x = 15,948.01

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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.