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Finding the Fourth Proportional to 8,079.84, 12,110.16 and 4,795.36

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Solution

The fourth proportional to 8,079.84, 12,110.16 and 4,795.36 is: 7,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.84 : 12,110.16 = 4,795.36 : x
  2. Step 2: Convert to fraction form
    8,079.84/12,110.16 = 4,795.36/x
  3. Step 3: Cross multiply
    8,079.84x = 12,110.16 × 4,795.36
  4. Step 4: Simplify right side
    8,079.84x = 58,072,576.86
  5. Step 5: Solve for x
    x = 58,072,576.86/8,079.84
  6. Step 6: Final answer
    x = 7,187.34

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1.5x scale

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.