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Finding the Fourth Proportional to 8,984.58, 12,398.99 and 4,951.67

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Solution

The fourth proportional to 8,984.58, 12,398.99 and 4,951.67 is: 6,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.58 : 12,398.99 = 4,951.67 : x
  2. Step 2: Convert to fraction form
    8,984.58/12,398.99 = 4,951.67/x
  3. Step 3: Cross multiply
    8,984.58x = 12,398.99 × 4,951.67
  4. Step 4: Simplify right side
    8,984.58x = 61,395,706.81
  5. Step 5: Solve for x
    x = 61,395,706.81/8,984.58
  6. Step 6: Final answer
    x = 6,833.45

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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.