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Finding the Fourth Proportional to 8,990.73, 13,483.93 and 4,605.93

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Solution

The fourth proportional to 8,990.73, 13,483.93 and 4,605.93 is: 6,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.73 : 13,483.93 = 4,605.93 : x
  2. Step 2: Convert to fraction form
    8,990.73/13,483.93 = 4,605.93/x
  3. Step 3: Cross multiply
    8,990.73x = 13,483.93 × 4,605.93
  4. Step 4: Simplify right side
    8,990.73x = 62,106,037.70
  5. Step 5: Solve for x
    x = 62,106,037.70/8,990.73
  6. Step 6: Final answer
    x = 6,907.79

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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.