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Finding the Fourth Proportional to 32,457.78, 44,793.81 and 18,305.46

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Solution

The fourth proportional to 32,457.78, 44,793.81 and 18,305.46 is: 25,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,457.78 : 44,793.81 = 18,305.46 : x
  2. Step 2: Convert to fraction form
    32,457.78/44,793.81 = 18,305.46/x
  3. Step 3: Cross multiply
    32,457.78x = 44,793.81 × 18,305.46
  4. Step 4: Simplify right side
    32,457.78x = 819,971,297.20
  5. Step 5: Solve for x
    x = 819,971,297.20/32,457.78
  6. Step 6: Final answer
    x = 25,262.70

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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.