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Finding the Fourth Proportional to 2,999.96, 4,497.20 and 1,051.10

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Solution

The fourth proportional to 2,999.96, 4,497.20 and 1,051.10 is: 1,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.96 : 4,497.20 = 1,051.10 : x
  2. Step 2: Convert to fraction form
    2,999.96/4,497.20 = 1,051.10/x
  3. Step 3: Cross multiply
    2,999.96x = 4,497.20 × 1,051.10
  4. Step 4: Simplify right side
    2,999.96x = 4,727,006.92
  5. Step 5: Solve for x
    x = 4,727,006.92/2,999.96
  6. Step 6: Final answer
    x = 1,575.69

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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.