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Finding the Fourth Proportional to 36,590.78, 50,495.28 and 19,823.78

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Solution

The fourth proportional to 36,590.78, 50,495.28 and 19,823.78 is: 27,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.78 : 50,495.28 = 19,823.78 : x
  2. Step 2: Convert to fraction form
    36,590.78/50,495.28 = 19,823.78/x
  3. Step 3: Cross multiply
    36,590.78x = 50,495.28 × 19,823.78
  4. Step 4: Simplify right side
    36,590.78x = 1,001,007,321.76
  5. Step 5: Solve for x
    x = 1,001,007,321.76/36,590.78
  6. Step 6: Final answer
    x = 27,356.82

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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.