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Finding the Fourth Proportional to 50,624.08, 75,895.03 and 21,064.04

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Solution

The fourth proportional to 50,624.08, 75,895.03 and 21,064.04 is: 31,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,624.08 : 75,895.03 = 21,064.04 : x
  2. Step 2: Convert to fraction form
    50,624.08/75,895.03 = 21,064.04/x
  3. Step 3: Cross multiply
    50,624.08x = 75,895.03 × 21,064.04
  4. Step 4: Simplify right side
    50,624.08x = 1,598,655,462.93
  5. Step 5: Solve for x
    x = 1,598,655,462.93/50,624.08
  6. Step 6: Final answer
    x = 31,578.96

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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.