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Finding the Fourth Proportional to 29,820.69, 44,730.99 and 7,634.07

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Solution

The fourth proportional to 29,820.69, 44,730.99 and 7,634.07 is: 11,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.69 : 44,730.99 = 7,634.07 : x
  2. Step 2: Convert to fraction form
    29,820.69/44,730.99 = 7,634.07/x
  3. Step 3: Cross multiply
    29,820.69x = 44,730.99 × 7,634.07
  4. Step 4: Simplify right side
    29,820.69x = 341,479,508.83
  5. Step 5: Solve for x
    x = 341,479,508.83/29,820.69
  6. Step 6: Final answer
    x = 11,451.09

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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.