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Finding the Fourth Proportional to 2,534.84, 3,802.66 and 1,074

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Solution

The fourth proportional to 2,534.84, 3,802.66 and 1,074 is: 1,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.84 : 3,802.66 = 1,074 : x
  2. Step 2: Convert to fraction form
    2,534.84/3,802.66 = 1,074/x
  3. Step 3: Cross multiply
    2,534.84x = 3,802.66 × 1,074
  4. Step 4: Simplify right side
    2,534.84x = 4,084,056.84
  5. Step 5: Solve for x
    x = 4,084,056.84/2,534.84
  6. Step 6: Final answer
    x = 1,611.17

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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.