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Finding the Fourth Proportional to 6,901.17, 9,523.22 and 3,916.85

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Solution

The fourth proportional to 6,901.17, 9,523.22 and 3,916.85 is: 5,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.17 : 9,523.22 = 3,916.85 : x
  2. Step 2: Convert to fraction form
    6,901.17/9,523.22 = 3,916.85/x
  3. Step 3: Cross multiply
    6,901.17x = 9,523.22 × 3,916.85
  4. Step 4: Simplify right side
    6,901.17x = 37,300,957.06
  5. Step 5: Solve for x
    x = 37,300,957.06/6,901.17
  6. Step 6: Final answer
    x = 5,405.02

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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.