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Finding the Fourth Proportional to 1,263.16, 1,893.86 and 532.13

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Solution

The fourth proportional to 1,263.16, 1,893.86 and 532.13 is: 797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.16 : 1,893.86 = 532.13 : x
  2. Step 2: Convert to fraction form
    1,263.16/1,893.86 = 532.13/x
  3. Step 3: Cross multiply
    1,263.16x = 1,893.86 × 532.13
  4. Step 4: Simplify right side
    1,263.16x = 1,007,777.06
  5. Step 5: Solve for x
    x = 1,007,777.06/1,263.16
  6. Step 6: Final answer
    x = 797.83

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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.