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Finding the Fourth Proportional to 64,347.16, 88,790.68 and 36,058

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Solution

The fourth proportional to 64,347.16, 88,790.68 and 36,058 is: 49,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,347.16 : 88,790.68 = 36,058 : x
  2. Step 2: Convert to fraction form
    64,347.16/88,790.68 = 36,058/x
  3. Step 3: Cross multiply
    64,347.16x = 88,790.68 × 36,058
  4. Step 4: Simplify right side
    64,347.16x = 3,201,614,339.44
  5. Step 5: Solve for x
    x = 3,201,614,339.44/64,347.16
  6. Step 6: Final answer
    x = 49,755.33

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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.