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Finding the Fourth Proportional to 50,651.91, 75,987.99 and 15,590.25

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Solution

The fourth proportional to 50,651.91, 75,987.99 and 15,590.25 is: 23,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.91 : 75,987.99 = 15,590.25 : x
  2. Step 2: Convert to fraction form
    50,651.91/75,987.99 = 15,590.25/x
  3. Step 3: Cross multiply
    50,651.91x = 75,987.99 × 15,590.25
  4. Step 4: Simplify right side
    50,651.91x = 1,184,671,761.10
  5. Step 5: Solve for x
    x = 1,184,671,761.10/50,651.91
  6. Step 6: Final answer
    x = 23,388.49

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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.