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Finding the Fourth Proportional to 38,493.70, 53,125.92 and 23,388.82

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Solution

The fourth proportional to 38,493.70, 53,125.92 and 23,388.82 is: 32,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.70 : 53,125.92 = 23,388.82 : x
  2. Step 2: Convert to fraction form
    38,493.70/53,125.92 = 23,388.82/x
  3. Step 3: Cross multiply
    38,493.70x = 53,125.92 × 23,388.82
  4. Step 4: Simplify right side
    38,493.70x = 1,242,552,580.21
  5. Step 5: Solve for x
    x = 1,242,552,580.21/38,493.70
  6. Step 6: Final answer
    x = 32,279.38

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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.