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Finding the Fourth Proportional to 59,404.83, 89,013.48 and 21,913.30

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Solution

The fourth proportional to 59,404.83, 89,013.48 and 21,913.30 is: 32,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,404.83 : 89,013.48 = 21,913.30 : x
  2. Step 2: Convert to fraction form
    59,404.83/89,013.48 = 21,913.30/x
  3. Step 3: Cross multiply
    59,404.83x = 89,013.48 × 21,913.30
  4. Step 4: Simplify right side
    59,404.83x = 1,950,579,091.28
  5. Step 5: Solve for x
    x = 1,950,579,091.28/59,404.83
  6. Step 6: Final answer
    x = 32,835.36

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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.