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Finding the Fourth Proportional to 57,763.62, 79,704.81 and 32,612.58

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Solution

The fourth proportional to 57,763.62, 79,704.81 and 32,612.58 is: 45,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.62 : 79,704.81 = 32,612.58 : x
  2. Step 2: Convert to fraction form
    57,763.62/79,704.81 = 32,612.58/x
  3. Step 3: Cross multiply
    57,763.62x = 79,704.81 × 32,612.58
  4. Step 4: Simplify right side
    57,763.62x = 2,599,379,492.51
  5. Step 5: Solve for x
    x = 2,599,379,492.51/57,763.62
  6. Step 6: Final answer
    x = 45,000.29

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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.