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Finding the Fourth Proportional to 5,606.35, 8,407.09 and 1,907.58

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Solution

The fourth proportional to 5,606.35, 8,407.09 and 1,907.58 is: 2,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.35 : 8,407.09 = 1,907.58 : x
  2. Step 2: Convert to fraction form
    5,606.35/8,407.09 = 1,907.58/x
  3. Step 3: Cross multiply
    5,606.35x = 8,407.09 × 1,907.58
  4. Step 4: Simplify right side
    5,606.35x = 16,037,230.65
  5. Step 5: Solve for x
    x = 16,037,230.65/5,606.35
  6. Step 6: Final answer
    x = 2,860.55

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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.