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Finding the Fourth Proportional to 38,410.52, 53,016.54 and 25,018.52

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Solution

The fourth proportional to 38,410.52, 53,016.54 and 25,018.52 is: 34,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.52 : 53,016.54 = 25,018.52 : x
  2. Step 2: Convert to fraction form
    38,410.52/53,016.54 = 25,018.52/x
  3. Step 3: Cross multiply
    38,410.52x = 53,016.54 × 25,018.52
  4. Step 4: Simplify right side
    38,410.52x = 1,326,395,366.32
  5. Step 5: Solve for x
    x = 1,326,395,366.32/38,410.52
  6. Step 6: Final answer
    x = 34,532.09

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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.