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Finding the Fourth Proportional to 8,903.67, 12,285.59 and 4,924

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Solution

The fourth proportional to 8,903.67, 12,285.59 and 4,924 is: 6,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.67 : 12,285.59 = 4,924 : x
  2. Step 2: Convert to fraction form
    8,903.67/12,285.59 = 4,924/x
  3. Step 3: Cross multiply
    8,903.67x = 12,285.59 × 4,924
  4. Step 4: Simplify right side
    8,903.67x = 60,494,245.16
  5. Step 5: Solve for x
    x = 60,494,245.16/8,903.67
  6. Step 6: Final answer
    x = 6,794.30

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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.