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Finding the Fourth Proportional to 38,150.48, 52,647.50 and 21,383.48

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Solution

The fourth proportional to 38,150.48, 52,647.50 and 21,383.48 is: 29,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.48 : 52,647.50 = 21,383.48 : x
  2. Step 2: Convert to fraction form
    38,150.48/52,647.50 = 21,383.48/x
  3. Step 3: Cross multiply
    38,150.48x = 52,647.50 × 21,383.48
  4. Step 4: Simplify right side
    38,150.48x = 1,125,786,763.30
  5. Step 5: Solve for x
    x = 1,125,786,763.30/38,150.48
  6. Step 6: Final answer
    x = 29,509.11

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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.