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Finding the Fourth Proportional to 29,448.34, 44,163.52 and 8,390.10

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Solution

The fourth proportional to 29,448.34, 44,163.52 and 8,390.10 is: 12,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.34 : 44,163.52 = 8,390.10 : x
  2. Step 2: Convert to fraction form
    29,448.34/44,163.52 = 8,390.10/x
  3. Step 3: Cross multiply
    29,448.34x = 44,163.52 × 8,390.10
  4. Step 4: Simplify right side
    29,448.34x = 370,536,349.15
  5. Step 5: Solve for x
    x = 370,536,349.15/29,448.34
  6. Step 6: Final answer
    x = 12,582.59

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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.