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Finding the Fourth Proportional to 64,353.12, 88,809.04 and 36,058.16

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Solution

The fourth proportional to 64,353.12, 88,809.04 and 36,058.16 is: 49,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,353.12 : 88,809.04 = 36,058.16 : x
  2. Step 2: Convert to fraction form
    64,353.12/88,809.04 = 36,058.16/x
  3. Step 3: Cross multiply
    64,353.12x = 88,809.04 × 36,058.16
  4. Step 4: Simplify right side
    64,353.12x = 3,202,290,573.77
  5. Step 5: Solve for x
    x = 3,202,290,573.77/64,353.12
  6. Step 6: Final answer
    x = 49,761.23

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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.