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Finding the Fourth Proportional to 64,029.09, 88,365.15 and 35,739.03

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Solution

The fourth proportional to 64,029.09, 88,365.15 and 35,739.03 is: 49,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.09 : 88,365.15 = 35,739.03 : x
  2. Step 2: Convert to fraction form
    64,029.09/88,365.15 = 35,739.03/x
  3. Step 3: Cross multiply
    64,029.09x = 88,365.15 × 35,739.03
  4. Step 4: Simplify right side
    64,029.09x = 3,158,084,746.80
  5. Step 5: Solve for x
    x = 3,158,084,746.80/64,029.09
  6. Step 6: Final answer
    x = 49,322.66

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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.