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Finding the Fourth Proportional to 64,407.25, 96,628.20 and 26,947.54

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Solution

The fourth proportional to 64,407.25, 96,628.20 and 26,947.54 is: 40,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.25 : 96,628.20 = 26,947.54 : x
  2. Step 2: Convert to fraction form
    64,407.25/96,628.20 = 26,947.54/x
  3. Step 3: Cross multiply
    64,407.25x = 96,628.20 × 26,947.54
  4. Step 4: Simplify right side
    64,407.25x = 2,603,892,284.63
  5. Step 5: Solve for x
    x = 2,603,892,284.63/64,407.25
  6. Step 6: Final answer
    x = 40,428.56

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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.