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Finding the Fourth Proportional to 64,058.40, 88,400.08 and 35,763.20

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Solution

The fourth proportional to 64,058.40, 88,400.08 and 35,763.20 is: 49,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,058.40 : 88,400.08 = 35,763.20 : x
  2. Step 2: Convert to fraction form
    64,058.40/88,400.08 = 35,763.20/x
  3. Step 3: Cross multiply
    64,058.40x = 88,400.08 × 35,763.20
  4. Step 4: Simplify right side
    64,058.40x = 3,161,469,741.06
  5. Step 5: Solve for x
    x = 3,161,469,741.06/64,058.40
  6. Step 6: Final answer
    x = 49,352.93

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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.