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Finding the Fourth Proportional to 7,953.06, 11,906.91 and 6,312

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Solution

The fourth proportional to 7,953.06, 11,906.91 and 6,312 is: 9,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.06 : 11,906.91 = 6,312 : x
  2. Step 2: Convert to fraction form
    7,953.06/11,906.91 = 6,312/x
  3. Step 3: Cross multiply
    7,953.06x = 11,906.91 × 6,312
  4. Step 4: Simplify right side
    7,953.06x = 75,156,415.92
  5. Step 5: Solve for x
    x = 75,156,415.92/7,953.06
  6. Step 6: Final answer
    x = 9,450.00

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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.