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Finding the Fourth Proportional to 39,580, 59,318.16 and 22,058.08

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Solution

The fourth proportional to 39,580, 59,318.16 and 22,058.08 is: 33,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,580 : 59,318.16 = 22,058.08 : x
  2. Step 2: Convert to fraction form
    39,580/59,318.16 = 22,058.08/x
  3. Step 3: Cross multiply
    39,580x = 59,318.16 × 22,058.08
  4. Step 4: Simplify right side
    39,580x = 1,308,444,718.73
  5. Step 5: Solve for x
    x = 1,308,444,718.73/39,580
  6. Step 6: Final answer
    x = 33,058.23

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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.