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Finding the Fourth Proportional to 64,340.70, 96,530.58 and 31,054.56

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Solution

The fourth proportional to 64,340.70, 96,530.58 and 31,054.56 is: 46,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.70 : 96,530.58 = 31,054.56 : x
  2. Step 2: Convert to fraction form
    64,340.70/96,530.58 = 31,054.56/x
  3. Step 3: Cross multiply
    64,340.70x = 96,530.58 × 31,054.56
  4. Step 4: Simplify right side
    64,340.70x = 2,997,714,688.44
  5. Step 5: Solve for x
    x = 2,997,714,688.44/64,340.70
  6. Step 6: Final answer
    x = 46,591.27

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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.