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Finding the Fourth Proportional to 27,390.48, 41,108.76 and 25,662.48

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Solution

The fourth proportional to 27,390.48, 41,108.76 and 25,662.48 is: 38,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.48 : 41,108.76 = 25,662.48 : x
  2. Step 2: Convert to fraction form
    27,390.48/41,108.76 = 25,662.48/x
  3. Step 3: Cross multiply
    27,390.48x = 41,108.76 × 25,662.48
  4. Step 4: Simplify right side
    27,390.48x = 1,054,952,731.32
  5. Step 5: Solve for x
    x = 1,054,952,731.32/27,390.48
  6. Step 6: Final answer
    x = 38,515.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.