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Finding the Fourth Proportional to 2,068.73, 3,102.67 and 607.53

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Solution

The fourth proportional to 2,068.73, 3,102.67 and 607.53 is: 911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.73 : 3,102.67 = 607.53 : x
  2. Step 2: Convert to fraction form
    2,068.73/3,102.67 = 607.53/x
  3. Step 3: Cross multiply
    2,068.73x = 3,102.67 × 607.53
  4. Step 4: Simplify right side
    2,068.73x = 1,884,962.07
  5. Step 5: Solve for x
    x = 1,884,962.07/2,068.73
  6. Step 6: Final answer
    x = 911.17

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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.