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Finding the Fourth Proportional to 64,544.05, 96,746.86 and 31,218.27

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Solution

The fourth proportional to 64,544.05, 96,746.86 and 31,218.27 is: 46,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,544.05 : 96,746.86 = 31,218.27 : x
  2. Step 2: Convert to fraction form
    64,544.05/96,746.86 = 31,218.27/x
  3. Step 3: Cross multiply
    64,544.05x = 96,746.86 × 31,218.27
  4. Step 4: Simplify right side
    64,544.05x = 3,020,269,700.49
  5. Step 5: Solve for x
    x = 3,020,269,700.49/64,544.05
  6. Step 6: Final answer
    x = 46,793.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.