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Finding the Fourth Proportional to 6,891.74, 10,323.27 and 5,718.98

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Solution

The fourth proportional to 6,891.74, 10,323.27 and 5,718.98 is: 8,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.74 : 10,323.27 = 5,718.98 : x
  2. Step 2: Convert to fraction form
    6,891.74/10,323.27 = 5,718.98/x
  3. Step 3: Cross multiply
    6,891.74x = 10,323.27 × 5,718.98
  4. Step 4: Simplify right side
    6,891.74x = 59,038,574.66
  5. Step 5: Solve for x
    x = 59,038,574.66/6,891.74
  6. Step 6: Final answer
    x = 8,566.57

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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.