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Finding the Fourth Proportional to 27,203.61, 40,800.71 and 7,213.23

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Solution

The fourth proportional to 27,203.61, 40,800.71 and 7,213.23 is: 10,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203.61 : 40,800.71 = 7,213.23 : x
  2. Step 2: Convert to fraction form
    27,203.61/40,800.71 = 7,213.23/x
  3. Step 3: Cross multiply
    27,203.61x = 40,800.71 × 7,213.23
  4. Step 4: Simplify right side
    27,203.61x = 294,304,869.33
  5. Step 5: Solve for x
    x = 294,304,869.33/27,203.61
  6. Step 6: Final answer
    x = 10,818.60

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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.