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Finding the Fourth Proportional to 64,035.33, 88,360.61 and 35,742.21

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Solution

The fourth proportional to 64,035.33, 88,360.61 and 35,742.21 is: 49,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,035.33 : 88,360.61 = 35,742.21 : x
  2. Step 2: Convert to fraction form
    64,035.33/88,360.61 = 35,742.21/x
  3. Step 3: Cross multiply
    64,035.33x = 88,360.61 × 35,742.21
  4. Step 4: Simplify right side
    64,035.33x = 3,158,203,299.64
  5. Step 5: Solve for x
    x = 3,158,203,299.64/64,035.33
  6. Step 6: Final answer
    x = 49,319.70

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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.