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Finding the Fourth Proportional to 5,000.66, 7,499.76 and 2,076.16

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Solution

The fourth proportional to 5,000.66, 7,499.76 and 2,076.16 is: 3,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.66 : 7,499.76 = 2,076.16 : x
  2. Step 2: Convert to fraction form
    5,000.66/7,499.76 = 2,076.16/x
  3. Step 3: Cross multiply
    5,000.66x = 7,499.76 × 2,076.16
  4. Step 4: Simplify right side
    5,000.66x = 15,570,701.72
  5. Step 5: Solve for x
    x = 15,570,701.72/5,000.66
  6. Step 6: Final answer
    x = 3,113.73

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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.