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Finding the Fourth Proportional to 7,801.92, 11,695.73 and 5,029.29

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Solution

The fourth proportional to 7,801.92, 11,695.73 and 5,029.29 is: 7,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.92 : 11,695.73 = 5,029.29 : x
  2. Step 2: Convert to fraction form
    7,801.92/11,695.73 = 5,029.29/x
  3. Step 3: Cross multiply
    7,801.92x = 11,695.73 × 5,029.29
  4. Step 4: Simplify right side
    7,801.92x = 58,821,192.79
  5. Step 5: Solve for x
    x = 58,821,192.79/7,801.92
  6. Step 6: Final answer
    x = 7,539.32

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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.