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Finding the Fourth Proportional to 38,768.76, 53,502.54 and 22,003.32

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Solution

The fourth proportional to 38,768.76, 53,502.54 and 22,003.32 is: 30,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,768.76 : 53,502.54 = 22,003.32 : x
  2. Step 2: Convert to fraction form
    38,768.76/53,502.54 = 22,003.32/x
  3. Step 3: Cross multiply
    38,768.76x = 53,502.54 × 22,003.32
  4. Step 4: Simplify right side
    38,768.76x = 1,177,233,508.43
  5. Step 5: Solve for x
    x = 1,177,233,508.43/38,768.76
  6. Step 6: Final answer
    x = 30,365.52

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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.