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Finding the Fourth Proportional to 64,207.72, 88,612.50 and 35,922.52

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Solution

The fourth proportional to 64,207.72, 88,612.50 and 35,922.52 is: 49,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,207.72 : 88,612.50 = 35,922.52 : x
  2. Step 2: Convert to fraction form
    64,207.72/88,612.50 = 35,922.52/x
  3. Step 3: Cross multiply
    64,207.72x = 88,612.50 × 35,922.52
  4. Step 4: Simplify right side
    64,207.72x = 3,183,184,303.50
  5. Step 5: Solve for x
    x = 3,183,184,303.50/64,207.72
  6. Step 6: Final answer
    x = 49,576.35

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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.