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Finding the Fourth Proportional to 1,459.35, 2,013.94 and 892.28

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Solution

The fourth proportional to 1,459.35, 2,013.94 and 892.28 is: 1,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.35 : 2,013.94 = 892.28 : x
  2. Step 2: Convert to fraction form
    1,459.35/2,013.94 = 892.28/x
  3. Step 3: Cross multiply
    1,459.35x = 2,013.94 × 892.28
  4. Step 4: Simplify right side
    1,459.35x = 1,796,998.38
  5. Step 5: Solve for x
    x = 1,796,998.38/1,459.35
  6. Step 6: Final answer
    x = 1,231.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.