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Finding the Fourth Proportional to 59,479, 89,253.06 and 26,647

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Solution

The fourth proportional to 59,479, 89,253.06 and 26,647 is: 39,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,479 : 89,253.06 = 26,647 : x
  2. Step 2: Convert to fraction form
    59,479/89,253.06 = 26,647/x
  3. Step 3: Cross multiply
    59,479x = 89,253.06 × 26,647
  4. Step 4: Simplify right side
    59,479x = 2,378,326,289.82
  5. Step 5: Solve for x
    x = 2,378,326,289.82/59,479
  6. Step 6: Final answer
    x = 39,985.98

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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.