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Finding the Fourth Proportional to 5,899.63, 8,140.56 and 3,381.26

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Solution

The fourth proportional to 5,899.63, 8,140.56 and 3,381.26 is: 4,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.63 : 8,140.56 = 3,381.26 : x
  2. Step 2: Convert to fraction form
    5,899.63/8,140.56 = 3,381.26/x
  3. Step 3: Cross multiply
    5,899.63x = 8,140.56 × 3,381.26
  4. Step 4: Simplify right side
    5,899.63x = 27,525,329.55
  5. Step 5: Solve for x
    x = 27,525,329.55/5,899.63
  6. Step 6: Final answer
    x = 4,665.60

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1.5x scale

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.