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Finding the Fourth Proportional to 59,874.90, 89,819.28 and 19,897.45

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Solution

The fourth proportional to 59,874.90, 89,819.28 and 19,897.45 is: 29,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,874.90 : 89,819.28 = 19,897.45 : x
  2. Step 2: Convert to fraction form
    59,874.90/89,819.28 = 19,897.45/x
  3. Step 3: Cross multiply
    59,874.90x = 89,819.28 × 19,897.45
  4. Step 4: Simplify right side
    59,874.90x = 1,787,174,408.29
  5. Step 5: Solve for x
    x = 1,787,174,408.29/59,874.90
  6. Step 6: Final answer
    x = 29,848.48

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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.