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Finding the Fourth Proportional to 4,999.88, 6,899.85 and 3,010.05

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Solution

The fourth proportional to 4,999.88, 6,899.85 and 3,010.05 is: 4,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.88 : 6,899.85 = 3,010.05 : x
  2. Step 2: Convert to fraction form
    4,999.88/6,899.85 = 3,010.05/x
  3. Step 3: Cross multiply
    4,999.88x = 6,899.85 × 3,010.05
  4. Step 4: Simplify right side
    4,999.88x = 20,768,893.49
  5. Step 5: Solve for x
    x = 20,768,893.49/4,999.88
  6. Step 6: Final answer
    x = 4,153.88

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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.