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Finding the Fourth Proportional to 64,339.74, 88,784.36 and 35,659.12

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Solution

The fourth proportional to 64,339.74, 88,784.36 and 35,659.12 is: 49,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.74 : 88,784.36 = 35,659.12 : x
  2. Step 2: Convert to fraction form
    64,339.74/88,784.36 = 35,659.12/x
  3. Step 3: Cross multiply
    64,339.74x = 88,784.36 × 35,659.12
  4. Step 4: Simplify right side
    64,339.74x = 3,165,972,147.36
  5. Step 5: Solve for x
    x = 3,165,972,147.36/64,339.74
  6. Step 6: Final answer
    x = 49,207.10

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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.