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Finding the Fourth Proportional to 70,380.93, 105,497.58 and 32,909.41

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Solution

The fourth proportional to 70,380.93, 105,497.58 and 32,909.41 is: 49,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.93 : 105,497.58 = 32,909.41 : x
  2. Step 2: Convert to fraction form
    70,380.93/105,497.58 = 32,909.41/x
  3. Step 3: Cross multiply
    70,380.93x = 105,497.58 × 32,909.41
  4. Step 4: Simplify right side
    70,380.93x = 3,471,863,434.83
  5. Step 5: Solve for x
    x = 3,471,863,434.83/70,380.93
  6. Step 6: Final answer
    x = 49,329.61

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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.