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Finding the Fourth Proportional to 64,058.51, 96,146.55 and 32,490.54

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Solution

The fourth proportional to 64,058.51, 96,146.55 and 32,490.54 is: 48,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,058.51 : 96,146.55 = 32,490.54 : x
  2. Step 2: Convert to fraction form
    64,058.51/96,146.55 = 32,490.54/x
  3. Step 3: Cross multiply
    64,058.51x = 96,146.55 × 32,490.54
  4. Step 4: Simplify right side
    64,058.51x = 3,123,853,328.64
  5. Step 5: Solve for x
    x = 3,123,853,328.64/64,058.51
  6. Step 6: Final answer
    x = 48,765.62

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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.