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Finding the Fourth Proportional to 38,550.84, 53,214.84 and 25,125.36

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Solution

The fourth proportional to 38,550.84, 53,214.84 and 25,125.36 is: 34,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.84 : 53,214.84 = 25,125.36 : x
  2. Step 2: Convert to fraction form
    38,550.84/53,214.84 = 25,125.36/x
  3. Step 3: Cross multiply
    38,550.84x = 53,214.84 × 25,125.36
  4. Step 4: Simplify right side
    38,550.84x = 1,337,042,012.34
  5. Step 5: Solve for x
    x = 1,337,042,012.34/38,550.84
  6. Step 6: Final answer
    x = 34,682.56

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Double scale
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Similar ratio
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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.