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Finding the Fourth Proportional to 32,058.78, 44,221.86 and 20,724.36

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Solution

The fourth proportional to 32,058.78, 44,221.86 and 20,724.36 is: 28,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,058.78 : 44,221.86 = 20,724.36 : x
  2. Step 2: Convert to fraction form
    32,058.78/44,221.86 = 20,724.36/x
  3. Step 3: Cross multiply
    32,058.78x = 44,221.86 × 20,724.36
  4. Step 4: Simplify right side
    32,058.78x = 916,469,746.51
  5. Step 5: Solve for x
    x = 916,469,746.51/32,058.78
  6. Step 6: Final answer
    x = 28,587.17

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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.