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Finding the Fourth Proportional to 4,600.90, 6,899.01 and 2,261.08

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Solution

The fourth proportional to 4,600.90, 6,899.01 and 2,261.08 is: 3,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.90 : 6,899.01 = 2,261.08 : x
  2. Step 2: Convert to fraction form
    4,600.90/6,899.01 = 2,261.08/x
  3. Step 3: Cross multiply
    4,600.90x = 6,899.01 × 2,261.08
  4. Step 4: Simplify right side
    4,600.90x = 15,599,213.53
  5. Step 5: Solve for x
    x = 15,599,213.53/4,600.90
  6. Step 6: Final answer
    x = 3,390.47

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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.