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Finding the Fourth Proportional to 4,999.89, 7,499.87 and 1,713.01

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Solution

The fourth proportional to 4,999.89, 7,499.87 and 1,713.01 is: 2,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.89 : 7,499.87 = 1,713.01 : x
  2. Step 2: Convert to fraction form
    4,999.89/7,499.87 = 1,713.01/x
  3. Step 3: Cross multiply
    4,999.89x = 7,499.87 × 1,713.01
  4. Step 4: Simplify right side
    4,999.89x = 12,847,352.31
  5. Step 5: Solve for x
    x = 12,847,352.31/4,999.89
  6. Step 6: Final answer
    x = 2,569.53

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Similar ratio
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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.