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Finding the Fourth Proportional to 7,407.93, 11,111.90 and 2,967.62

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Solution

The fourth proportional to 7,407.93, 11,111.90 and 2,967.62 is: 4,451.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.93 : 11,111.90 = 2,967.62 : x
  2. Step 2: Convert to fraction form
    7,407.93/11,111.90 = 2,967.62/x
  3. Step 3: Cross multiply
    7,407.93x = 11,111.90 × 2,967.62
  4. Step 4: Simplify right side
    7,407.93x = 32,975,826.28
  5. Step 5: Solve for x
    x = 32,975,826.28/7,407.93
  6. Step 6: Final answer
    x = 4,451.42

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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.