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Finding the Fourth Proportional to 6,293.74, 8,696.64 and 4,522.28

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Solution

The fourth proportional to 6,293.74, 8,696.64 and 4,522.28 is: 6,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.74 : 8,696.64 = 4,522.28 : x
  2. Step 2: Convert to fraction form
    6,293.74/8,696.64 = 4,522.28/x
  3. Step 3: Cross multiply
    6,293.74x = 8,696.64 × 4,522.28
  4. Step 4: Simplify right side
    6,293.74x = 39,328,641.14
  5. Step 5: Solve for x
    x = 39,328,641.14/6,293.74
  6. Step 6: Final answer
    x = 6,248.85

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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.