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Finding the Fourth Proportional to 27,630.32, 41,462.48 and 21,974.48

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Solution

The fourth proportional to 27,630.32, 41,462.48 and 21,974.48 is: 32,975.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.32 : 41,462.48 = 21,974.48 : x
  2. Step 2: Convert to fraction form
    27,630.32/41,462.48 = 21,974.48/x
  3. Step 3: Cross multiply
    27,630.32x = 41,462.48 × 21,974.48
  4. Step 4: Simplify right side
    27,630.32x = 911,116,437.51
  5. Step 5: Solve for x
    x = 911,116,437.51/27,630.32
  6. Step 6: Final answer
    x = 32,975.24

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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.