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Finding the Fourth Proportional to 8,907.70, 13,362.36 and 3,064.36

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Solution

The fourth proportional to 8,907.70, 13,362.36 and 3,064.36 is: 4,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.70 : 13,362.36 = 3,064.36 : x
  2. Step 2: Convert to fraction form
    8,907.70/13,362.36 = 3,064.36/x
  3. Step 3: Cross multiply
    8,907.70x = 13,362.36 × 3,064.36
  4. Step 4: Simplify right side
    8,907.70x = 40,947,081.49
  5. Step 5: Solve for x
    x = 40,947,081.49/8,907.70
  6. Step 6: Final answer
    x = 4,596.82

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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.