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Finding the Fourth Proportional to 38,368.82, 52,957.14 and 25,786.28

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Solution

The fourth proportional to 38,368.82, 52,957.14 and 25,786.28 is: 35,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.82 : 52,957.14 = 25,786.28 : x
  2. Step 2: Convert to fraction form
    38,368.82/52,957.14 = 25,786.28/x
  3. Step 3: Cross multiply
    38,368.82x = 52,957.14 × 25,786.28
  4. Step 4: Simplify right side
    38,368.82x = 1,365,567,640.04
  5. Step 5: Solve for x
    x = 1,365,567,640.04/38,368.82
  6. Step 6: Final answer
    x = 35,590.56

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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.