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Finding the Fourth Proportional to 5,907.87, 8,850.47 and 3,312.63

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Solution

The fourth proportional to 5,907.87, 8,850.47 and 3,312.63 is: 4,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.87 : 8,850.47 = 3,312.63 : x
  2. Step 2: Convert to fraction form
    5,907.87/8,850.47 = 3,312.63/x
  3. Step 3: Cross multiply
    5,907.87x = 8,850.47 × 3,312.63
  4. Step 4: Simplify right side
    5,907.87x = 29,318,315.87
  5. Step 5: Solve for x
    x = 29,318,315.87/5,907.87
  6. Step 6: Final answer
    x = 4,962.59

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1.5x scale

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.