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Finding the Fourth Proportional to 63,603.72, 95,408.28 and 21,484.80

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Solution

The fourth proportional to 63,603.72, 95,408.28 and 21,484.80 is: 32,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,603.72 : 95,408.28 = 21,484.80 : x
  2. Step 2: Convert to fraction form
    63,603.72/95,408.28 = 21,484.80/x
  3. Step 3: Cross multiply
    63,603.72x = 95,408.28 × 21,484.80
  4. Step 4: Simplify right side
    63,603.72x = 2,049,827,814.14
  5. Step 5: Solve for x
    x = 2,049,827,814.14/63,603.72
  6. Step 6: Final answer
    x = 32,228.11

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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.