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Finding the Fourth Proportional to 64,357.74, 88,818.12 and 36,065.25

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Solution

The fourth proportional to 64,357.74, 88,818.12 and 36,065.25 is: 49,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.74 : 88,818.12 = 36,065.25 : x
  2. Step 2: Convert to fraction form
    64,357.74/88,818.12 = 36,065.25/x
  3. Step 3: Cross multiply
    64,357.74x = 88,818.12 × 36,065.25
  4. Step 4: Simplify right side
    64,357.74x = 3,203,247,702.33
  5. Step 5: Solve for x
    x = 3,203,247,702.33/64,357.74
  6. Step 6: Final answer
    x = 49,772.53

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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.