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Finding the Fourth Proportional to 36,488.76, 50,354.48 and 19,721.76

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Solution

The fourth proportional to 36,488.76, 50,354.48 and 19,721.76 is: 27,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.76 : 50,354.48 = 19,721.76 : x
  2. Step 2: Convert to fraction form
    36,488.76/50,354.48 = 19,721.76/x
  3. Step 3: Cross multiply
    36,488.76x = 50,354.48 × 19,721.76
  4. Step 4: Simplify right side
    36,488.76x = 993,078,969.48
  5. Step 5: Solve for x
    x = 993,078,969.48/36,488.76
  6. Step 6: Final answer
    x = 27,216.02

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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.