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Finding the Fourth Proportional to 27,263.61, 40,895.36 and 8,545.08

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Solution

The fourth proportional to 27,263.61, 40,895.36 and 8,545.08 is: 12,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,263.61 : 40,895.36 = 8,545.08 : x
  2. Step 2: Convert to fraction form
    27,263.61/40,895.36 = 8,545.08/x
  3. Step 3: Cross multiply
    27,263.61x = 40,895.36 × 8,545.08
  4. Step 4: Simplify right side
    27,263.61x = 349,453,942.77
  5. Step 5: Solve for x
    x = 349,453,942.77/27,263.61
  6. Step 6: Final answer
    x = 12,817.59

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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.