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Finding the Fourth Proportional to 7,557, 11,335.91 and 2,363.28

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Solution

The fourth proportional to 7,557, 11,335.91 and 2,363.28 is: 3,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557 : 11,335.91 = 2,363.28 : x
  2. Step 2: Convert to fraction form
    7,557/11,335.91 = 2,363.28/x
  3. Step 3: Cross multiply
    7,557x = 11,335.91 × 2,363.28
  4. Step 4: Simplify right side
    7,557x = 26,789,917.57
  5. Step 5: Solve for x
    x = 26,789,917.57/7,557
  6. Step 6: Final answer
    x = 3,545.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.