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Finding the Fourth Proportional to 1,264.02, 1,896.16 and 533.50

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Solution

The fourth proportional to 1,264.02, 1,896.16 and 533.50 is: 800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264.02 : 1,896.16 = 533.50 : x
  2. Step 2: Convert to fraction form
    1,264.02/1,896.16 = 533.50/x
  3. Step 3: Cross multiply
    1,264.02x = 1,896.16 × 533.50
  4. Step 4: Simplify right side
    1,264.02x = 1,011,601.36
  5. Step 5: Solve for x
    x = 1,011,601.36/1,264.02
  6. Step 6: Final answer
    x = 800.30

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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.