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Finding the Fourth Proportional to 1,263.35, 1,895.00 and 746.93

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Solution

The fourth proportional to 1,263.35, 1,895.00 and 746.93 is: 1,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.35 : 1,895.00 = 746.93 : x
  2. Step 2: Convert to fraction form
    1,263.35/1,895.00 = 746.93/x
  3. Step 3: Cross multiply
    1,263.35x = 1,895.00 × 746.93
  4. Step 4: Simplify right side
    1,263.35x = 1,415,419.14
  5. Step 5: Solve for x
    x = 1,415,419.14/1,263.35
  6. Step 6: Final answer
    x = 1,120.37

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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.