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Finding the Fourth Proportional to 64,749.33, 96,958.71 and 51,620.85

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Solution

The fourth proportional to 64,749.33, 96,958.71 and 51,620.85 is: 77,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,749.33 : 96,958.71 = 51,620.85 : x
  2. Step 2: Convert to fraction form
    64,749.33/96,958.71 = 51,620.85/x
  3. Step 3: Cross multiply
    64,749.33x = 96,958.71 × 51,620.85
  4. Step 4: Simplify right side
    64,749.33x = 5,005,091,025.10
  5. Step 5: Solve for x
    x = 5,005,091,025.10/64,749.33
  6. Step 6: Final answer
    x = 77,299.50

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1.5x scale

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.