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Finding the Fourth Proportional to 29,630.99, 40,874.63 and 19,022.22

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Solution

The fourth proportional to 29,630.99, 40,874.63 and 19,022.22 is: 26,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,630.99 : 40,874.63 = 19,022.22 : x
  2. Step 2: Convert to fraction form
    29,630.99/40,874.63 = 19,022.22/x
  3. Step 3: Cross multiply
    29,630.99x = 40,874.63 × 19,022.22
  4. Step 4: Simplify right side
    29,630.99x = 777,526,109.17
  5. Step 5: Solve for x
    x = 777,526,109.17/29,630.99
  6. Step 6: Final answer
    x = 26,240.31

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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.