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Finding the Fourth Proportional to 64,228.48, 88,632.64 and 35,156.64

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Solution

The fourth proportional to 64,228.48, 88,632.64 and 35,156.64 is: 48,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.48 : 88,632.64 = 35,156.64 : x
  2. Step 2: Convert to fraction form
    64,228.48/88,632.64 = 35,156.64/x
  3. Step 3: Cross multiply
    64,228.48x = 88,632.64 × 35,156.64
  4. Step 4: Simplify right side
    64,228.48x = 3,116,025,816.73
  5. Step 5: Solve for x
    x = 3,116,025,816.73/64,228.48
  6. Step 6: Final answer
    x = 48,514.71

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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.