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Finding the Fourth Proportional to 29,340.86, 44,011.15 and 8,280.86

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Solution

The fourth proportional to 29,340.86, 44,011.15 and 8,280.86 is: 12,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340.86 : 44,011.15 = 8,280.86 : x
  2. Step 2: Convert to fraction form
    29,340.86/44,011.15 = 8,280.86/x
  3. Step 3: Cross multiply
    29,340.86x = 44,011.15 × 8,280.86
  4. Step 4: Simplify right side
    29,340.86x = 364,449,930.83
  5. Step 5: Solve for x
    x = 364,449,930.83/29,340.86
  6. Step 6: Final answer
    x = 12,421.24

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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.