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Finding the Fourth Proportional to 4,695.11, 7,045.11 and 3,407.21

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Solution

The fourth proportional to 4,695.11, 7,045.11 and 3,407.21 is: 5,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.11 : 7,045.11 = 3,407.21 : x
  2. Step 2: Convert to fraction form
    4,695.11/7,045.11 = 3,407.21/x
  3. Step 3: Cross multiply
    4,695.11x = 7,045.11 × 3,407.21
  4. Step 4: Simplify right side
    4,695.11x = 24,004,169.24
  5. Step 5: Solve for x
    x = 24,004,169.24/4,695.11
  6. Step 6: Final answer
    x = 5,112.59

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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.