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Finding the Fourth Proportional to 36,697.69, 50,642.90 and 21,590.92

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Solution

The fourth proportional to 36,697.69, 50,642.90 and 21,590.92 is: 29,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.69 : 50,642.90 = 21,590.92 : x
  2. Step 2: Convert to fraction form
    36,697.69/50,642.90 = 21,590.92/x
  3. Step 3: Cross multiply
    36,697.69x = 50,642.90 × 21,590.92
  4. Step 4: Simplify right side
    36,697.69x = 1,093,426,603.23
  5. Step 5: Solve for x
    x = 1,093,426,603.23/36,697.69
  6. Step 6: Final answer
    x = 29,795.52

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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.