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Finding the Fourth Proportional to 32,957.44, 45,489.46 and 18,818.50

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Solution

The fourth proportional to 32,957.44, 45,489.46 and 18,818.50 is: 25,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,957.44 : 45,489.46 = 18,818.50 : x
  2. Step 2: Convert to fraction form
    32,957.44/45,489.46 = 18,818.50/x
  3. Step 3: Cross multiply
    32,957.44x = 45,489.46 × 18,818.50
  4. Step 4: Simplify right side
    32,957.44x = 856,043,403.01
  5. Step 5: Solve for x
    x = 856,043,403.01/32,957.44
  6. Step 6: Final answer
    x = 25,974.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.