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Finding the Fourth Proportional to 2,535.17, 3,802.77 and 892.89

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Solution

The fourth proportional to 2,535.17, 3,802.77 and 892.89 is: 1,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.17 : 3,802.77 = 892.89 : x
  2. Step 2: Convert to fraction form
    2,535.17/3,802.77 = 892.89/x
  3. Step 3: Cross multiply
    2,535.17x = 3,802.77 × 892.89
  4. Step 4: Simplify right side
    2,535.17x = 3,395,455.31
  5. Step 5: Solve for x
    x = 3,395,455.31/2,535.17
  6. Step 6: Final answer
    x = 1,339.34

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1.5x scale

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.