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Finding the Fourth Proportional to 7,967.10, 11,950.65 and 2,420.43

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Solution

The fourth proportional to 7,967.10, 11,950.65 and 2,420.43 is: 3,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.10 : 11,950.65 = 2,420.43 : x
  2. Step 2: Convert to fraction form
    7,967.10/11,950.65 = 2,420.43/x
  3. Step 3: Cross multiply
    7,967.10x = 11,950.65 × 2,420.43
  4. Step 4: Simplify right side
    7,967.10x = 28,925,652.03
  5. Step 5: Solve for x
    x = 28,925,652.03/7,967.10
  6. Step 6: Final answer
    x = 3,630.64

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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.