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Finding the Fourth Proportional to 39,608.37, 59,264.91 and 39,165.48

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Solution

The fourth proportional to 39,608.37, 59,264.91 and 39,165.48 is: 58,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,608.37 : 59,264.91 = 39,165.48 : x
  2. Step 2: Convert to fraction form
    39,608.37/59,264.91 = 39,165.48/x
  3. Step 3: Cross multiply
    39,608.37x = 59,264.91 × 39,165.48
  4. Step 4: Simplify right side
    39,608.37x = 2,321,138,647.31
  5. Step 5: Solve for x
    x = 2,321,138,647.31/39,608.37
  6. Step 6: Final answer
    x = 58,602.23

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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.