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Finding the Fourth Proportional to 6,467.26, 8,931.06 and 5,574.70

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Solution

The fourth proportional to 6,467.26, 8,931.06 and 5,574.70 is: 7,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.26 : 8,931.06 = 5,574.70 : x
  2. Step 2: Convert to fraction form
    6,467.26/8,931.06 = 5,574.70/x
  3. Step 3: Cross multiply
    6,467.26x = 8,931.06 × 5,574.70
  4. Step 4: Simplify right side
    6,467.26x = 49,787,980.18
  5. Step 5: Solve for x
    x = 49,787,980.18/6,467.26
  6. Step 6: Final answer
    x = 7,698.47

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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.