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Finding the Fourth Proportional to 2,899.68, 4,349.76 and 1,168.32

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Solution

The fourth proportional to 2,899.68, 4,349.76 and 1,168.32 is: 1,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.68 : 4,349.76 = 1,168.32 : x
  2. Step 2: Convert to fraction form
    2,899.68/4,349.76 = 1,168.32/x
  3. Step 3: Cross multiply
    2,899.68x = 4,349.76 × 1,168.32
  4. Step 4: Simplify right side
    2,899.68x = 5,081,911.60
  5. Step 5: Solve for x
    x = 5,081,911.60/2,899.68
  6. Step 6: Final answer
    x = 1,752.58

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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.