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Finding the Fourth Proportional to 64,552.85, 89,058.03 and 47,597.33

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Solution

The fourth proportional to 64,552.85, 89,058.03 and 47,597.33 is: 65,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,552.85 : 89,058.03 = 47,597.33 : x
  2. Step 2: Convert to fraction form
    64,552.85/89,058.03 = 47,597.33/x
  3. Step 3: Cross multiply
    64,552.85x = 89,058.03 × 47,597.33
  4. Step 4: Simplify right side
    64,552.85x = 4,238,923,997.77
  5. Step 5: Solve for x
    x = 4,238,923,997.77/64,552.85
  6. Step 6: Final answer
    x = 65,665.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.