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Finding the Fourth Proportional to 44,129.99, 66,157.77 and 19,151.22

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Solution

The fourth proportional to 44,129.99, 66,157.77 and 19,151.22 is: 28,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,129.99 : 66,157.77 = 19,151.22 : x
  2. Step 2: Convert to fraction form
    44,129.99/66,157.77 = 19,151.22/x
  3. Step 3: Cross multiply
    44,129.99x = 66,157.77 × 19,151.22
  4. Step 4: Simplify right side
    44,129.99x = 1,267,002,007.98
  5. Step 5: Solve for x
    x = 1,267,002,007.98/44,129.99
  6. Step 6: Final answer
    x = 28,710.68

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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.