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Finding the Fourth Proportional to 8,695.69, 13,042.01 and 4,015.29

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Solution

The fourth proportional to 8,695.69, 13,042.01 and 4,015.29 is: 6,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.69 : 13,042.01 = 4,015.29 : x
  2. Step 2: Convert to fraction form
    8,695.69/13,042.01 = 4,015.29/x
  3. Step 3: Cross multiply
    8,695.69x = 13,042.01 × 4,015.29
  4. Step 4: Simplify right side
    8,695.69x = 52,367,511.28
  5. Step 5: Solve for x
    x = 52,367,511.28/8,695.69
  6. Step 6: Final answer
    x = 6,022.24

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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.