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Finding the Fourth Proportional to 1,254.88, 1,881.69 and 735.01

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Solution

The fourth proportional to 1,254.88, 1,881.69 and 735.01 is: 1,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.88 : 1,881.69 = 735.01 : x
  2. Step 2: Convert to fraction form
    1,254.88/1,881.69 = 735.01/x
  3. Step 3: Cross multiply
    1,254.88x = 1,881.69 × 735.01
  4. Step 4: Simplify right side
    1,254.88x = 1,383,056.26
  5. Step 5: Solve for x
    x = 1,383,056.26/1,254.88
  6. Step 6: Final answer
    x = 1,102.14

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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.