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Finding the Fourth Proportional to 64,209.72, 88,615.26 and 35,924.52

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Solution

The fourth proportional to 64,209.72, 88,615.26 and 35,924.52 is: 49,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.72 : 88,615.26 = 35,924.52 : x
  2. Step 2: Convert to fraction form
    64,209.72/88,615.26 = 35,924.52/x
  3. Step 3: Cross multiply
    64,209.72x = 88,615.26 × 35,924.52
  4. Step 4: Simplify right side
    64,209.72x = 3,183,460,680.18
  5. Step 5: Solve for x
    x = 3,183,460,680.18/64,209.72
  6. Step 6: Final answer
    x = 49,579.11

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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.