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Finding the Fourth Proportional to 6,916.44, 9,522.48 and 6,156.60

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Solution

The fourth proportional to 6,916.44, 9,522.48 and 6,156.60 is: 8,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.44 : 9,522.48 = 6,156.60 : x
  2. Step 2: Convert to fraction form
    6,916.44/9,522.48 = 6,156.60/x
  3. Step 3: Cross multiply
    6,916.44x = 9,522.48 × 6,156.60
  4. Step 4: Simplify right side
    6,916.44x = 58,626,100.37
  5. Step 5: Solve for x
    x = 58,626,100.37/6,916.44
  6. Step 6: Final answer
    x = 8,476.34

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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.