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Finding the Fourth Proportional to 1,896, 2,844 and 528

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Solution

The fourth proportional to 1,896, 2,844 and 528 is: 792

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896 : 2,844 = 528 : x
  2. Step 2: Convert to fraction form
    1,896/2,844 = 528/x
  3. Step 3: Cross multiply
    1,896x = 2,844 × 528
  4. Step 4: Simplify right side
    1,896x = 1,501,632
  5. Step 5: Solve for x
    x = 1,501,632/1,896
  6. Step 6: Final answer
    x = 792

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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.