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Finding the Fourth Proportional to 70,683.61, 106,025.46 and 33,216.19

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Solution

The fourth proportional to 70,683.61, 106,025.46 and 33,216.19 is: 49,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683.61 : 106,025.46 = 33,216.19 : x
  2. Step 2: Convert to fraction form
    70,683.61/106,025.46 = 33,216.19/x
  3. Step 3: Cross multiply
    70,683.61x = 106,025.46 × 33,216.19
  4. Step 4: Simplify right side
    70,683.61x = 3,521,761,824.20
  5. Step 5: Solve for x
    x = 3,521,761,824.20/70,683.61
  6. Step 6: Final answer
    x = 49,824.31

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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.