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Finding the Fourth Proportional to 64,486.92, 88,920.06 and 41,796.12

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Solution

The fourth proportional to 64,486.92, 88,920.06 and 41,796.12 is: 57,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,486.92 : 88,920.06 = 41,796.12 : x
  2. Step 2: Convert to fraction form
    64,486.92/88,920.06 = 41,796.12/x
  3. Step 3: Cross multiply
    64,486.92x = 88,920.06 × 41,796.12
  4. Step 4: Simplify right side
    64,486.92x = 3,716,513,498.17
  5. Step 5: Solve for x
    x = 3,716,513,498.17/64,486.92
  6. Step 6: Final answer
    x = 57,632.05

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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.