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Finding the Fourth Proportional to 75,662.72, 113,340.68 and 35,079.22

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Solution

The fourth proportional to 75,662.72, 113,340.68 and 35,079.22 is: 52,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.72 : 113,340.68 = 35,079.22 : x
  2. Step 2: Convert to fraction form
    75,662.72/113,340.68 = 35,079.22/x
  3. Step 3: Cross multiply
    75,662.72x = 113,340.68 × 35,079.22
  4. Step 4: Simplify right side
    75,662.72x = 3,975,902,648.67
  5. Step 5: Solve for x
    x = 3,975,902,648.67/75,662.72
  6. Step 6: Final answer
    x = 52,547.71

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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.