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Finding the Fourth Proportional to 9,998.68, 14,983.42 and 5,624.68

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Solution

The fourth proportional to 9,998.68, 14,983.42 and 5,624.68 is: 8,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.68 : 14,983.42 = 5,624.68 : x
  2. Step 2: Convert to fraction form
    9,998.68/14,983.42 = 5,624.68/x
  3. Step 3: Cross multiply
    9,998.68x = 14,983.42 × 5,624.68
  4. Step 4: Simplify right side
    9,998.68x = 84,276,942.81
  5. Step 5: Solve for x
    x = 84,276,942.81/9,998.68
  6. Step 6: Final answer
    x = 8,428.81

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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.