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Finding the Fourth Proportional to 64,334.13, 88,781.04 and 36,040.02

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Solution

The fourth proportional to 64,334.13, 88,781.04 and 36,040.02 is: 49,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,334.13 : 88,781.04 = 36,040.02 : x
  2. Step 2: Convert to fraction form
    64,334.13/88,781.04 = 36,040.02/x
  3. Step 3: Cross multiply
    64,334.13x = 88,781.04 × 36,040.02
  4. Step 4: Simplify right side
    64,334.13x = 3,199,670,457.22
  5. Step 5: Solve for x
    x = 3,199,670,457.22/64,334.13
  6. Step 6: Final answer
    x = 49,735.19

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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.