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Finding the Fourth Proportional to 6,356.62, 8,764.51 and 5,470.90

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Solution

The fourth proportional to 6,356.62, 8,764.51 and 5,470.90 is: 7,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.62 : 8,764.51 = 5,470.90 : x
  2. Step 2: Convert to fraction form
    6,356.62/8,764.51 = 5,470.90/x
  3. Step 3: Cross multiply
    6,356.62x = 8,764.51 × 5,470.90
  4. Step 4: Simplify right side
    6,356.62x = 47,949,757.76
  5. Step 5: Solve for x
    x = 47,949,757.76/6,356.62
  6. Step 6: Final answer
    x = 7,543.28

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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.