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Finding the Fourth Proportional to 3,068.98, 4,602.10 and 1,119.82

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Solution

The fourth proportional to 3,068.98, 4,602.10 and 1,119.82 is: 1,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.98 : 4,602.10 = 1,119.82 : x
  2. Step 2: Convert to fraction form
    3,068.98/4,602.10 = 1,119.82/x
  3. Step 3: Cross multiply
    3,068.98x = 4,602.10 × 1,119.82
  4. Step 4: Simplify right side
    3,068.98x = 5,153,495.01
  5. Step 5: Solve for x
    x = 5,153,495.01/3,068.98
  6. Step 6: Final answer
    x = 1,679.22

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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.