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Finding the Fourth Proportional to 61,998.56, 85,556.16 and 33,703.52

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Solution

The fourth proportional to 61,998.56, 85,556.16 and 33,703.52 is: 46,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.56 : 85,556.16 = 33,703.52 : x
  2. Step 2: Convert to fraction form
    61,998.56/85,556.16 = 33,703.52/x
  3. Step 3: Cross multiply
    61,998.56x = 85,556.16 × 33,703.52
  4. Step 4: Simplify right side
    61,998.56x = 2,883,543,749.68
  5. Step 5: Solve for x
    x = 2,883,543,749.68/61,998.56
  6. Step 6: Final answer
    x = 46,509.85

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1.5x scale

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.