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Finding the Fourth Proportional to 29,605.87, 44,407.77 and 7,419.43

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Solution

The fourth proportional to 29,605.87, 44,407.77 and 7,419.43 is: 11,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,605.87 : 44,407.77 = 7,419.43 : x
  2. Step 2: Convert to fraction form
    29,605.87/44,407.77 = 7,419.43/x
  3. Step 3: Cross multiply
    29,605.87x = 44,407.77 × 7,419.43
  4. Step 4: Simplify right side
    29,605.87x = 329,480,340.97
  5. Step 5: Solve for x
    x = 329,480,340.97/29,605.87
  6. Step 6: Final answer
    x = 11,128.89

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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.