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Finding the Fourth Proportional to 32,845.62, 45,315.63 and 18,694.86

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Solution

The fourth proportional to 32,845.62, 45,315.63 and 18,694.86 is: 25,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,845.62 : 45,315.63 = 18,694.86 : x
  2. Step 2: Convert to fraction form
    32,845.62/45,315.63 = 18,694.86/x
  3. Step 3: Cross multiply
    32,845.62x = 45,315.63 × 18,694.86
  4. Step 4: Simplify right side
    32,845.62x = 847,169,358.66
  5. Step 5: Solve for x
    x = 847,169,358.66/32,845.62
  6. Step 6: Final answer
    x = 25,792.46

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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.