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Finding the Fourth Proportional to 6,916.92, 9,548.88 and 4,690.56

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Solution

The fourth proportional to 6,916.92, 9,548.88 and 4,690.56 is: 6,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.92 : 9,548.88 = 4,690.56 : x
  2. Step 2: Convert to fraction form
    6,916.92/9,548.88 = 4,690.56/x
  3. Step 3: Cross multiply
    6,916.92x = 9,548.88 × 4,690.56
  4. Step 4: Simplify right side
    6,916.92x = 44,789,594.57
  5. Step 5: Solve for x
    x = 44,789,594.57/6,916.92
  6. Step 6: Final answer
    x = 6,475.37

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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.