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Finding the Fourth Proportional to 7,967.01, 11,950.51 and 2,420.33

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Solution

The fourth proportional to 7,967.01, 11,950.51 and 2,420.33 is: 3,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.01 : 11,950.51 = 2,420.33 : x
  2. Step 2: Convert to fraction form
    7,967.01/11,950.51 = 2,420.33/x
  3. Step 3: Cross multiply
    7,967.01x = 11,950.51 × 2,420.33
  4. Step 4: Simplify right side
    7,967.01x = 28,924,171.82
  5. Step 5: Solve for x
    x = 28,924,171.82/7,967.01
  6. Step 6: Final answer
    x = 3,630.49

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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.