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Finding the Fourth Proportional to 6,927.90, 9,550.90 and 4,686.24

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Solution

The fourth proportional to 6,927.90, 9,550.90 and 4,686.24 is: 6,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.90 : 9,550.90 = 4,686.24 : x
  2. Step 2: Convert to fraction form
    6,927.90/9,550.90 = 4,686.24/x
  3. Step 3: Cross multiply
    6,927.90x = 9,550.90 × 4,686.24
  4. Step 4: Simplify right side
    6,927.90x = 44,757,809.62
  5. Step 5: Solve for x
    x = 44,757,809.62/6,927.90
  6. Step 6: Final answer
    x = 6,460.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.