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Finding the Fourth Proportional to 6,918.46, 9,545.17 and 5,411.46

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Solution

The fourth proportional to 6,918.46, 9,545.17 and 5,411.46 is: 7,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.46 : 9,545.17 = 5,411.46 : x
  2. Step 2: Convert to fraction form
    6,918.46/9,545.17 = 5,411.46/x
  3. Step 3: Cross multiply
    6,918.46x = 9,545.17 × 5,411.46
  4. Step 4: Simplify right side
    6,918.46x = 51,653,305.65
  5. Step 5: Solve for x
    x = 51,653,305.65/6,918.46
  6. Step 6: Final answer
    x = 7,466.01

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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.