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Finding the Fourth Proportional to 2,713.30, 4,070.94 and 1,068.94

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Solution

The fourth proportional to 2,713.30, 4,070.94 and 1,068.94 is: 1,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.30 : 4,070.94 = 1,068.94 : x
  2. Step 2: Convert to fraction form
    2,713.30/4,070.94 = 1,068.94/x
  3. Step 3: Cross multiply
    2,713.30x = 4,070.94 × 1,068.94
  4. Step 4: Simplify right side
    2,713.30x = 4,351,590.60
  5. Step 5: Solve for x
    x = 4,351,590.60/2,713.30
  6. Step 6: Final answer
    x = 1,603.80

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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.