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Finding the Fourth Proportional to 39,949, 59,619.73 and 35,520.48

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Solution

The fourth proportional to 39,949, 59,619.73 and 35,520.48 is: 53,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949 : 59,619.73 = 35,520.48 : x
  2. Step 2: Convert to fraction form
    39,949/59,619.73 = 35,520.48/x
  3. Step 3: Cross multiply
    39,949x = 59,619.73 × 35,520.48
  4. Step 4: Simplify right side
    39,949x = 2,117,721,427.07
  5. Step 5: Solve for x
    x = 2,117,721,427.07/39,949
  6. Step 6: Final answer
    x = 53,010.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.