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Finding the Fourth Proportional to 1,763.99, 2,435.06 and 1,267.91

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Solution

The fourth proportional to 1,763.99, 2,435.06 and 1,267.91 is: 1,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.99 : 2,435.06 = 1,267.91 : x
  2. Step 2: Convert to fraction form
    1,763.99/2,435.06 = 1,267.91/x
  3. Step 3: Cross multiply
    1,763.99x = 2,435.06 × 1,267.91
  4. Step 4: Simplify right side
    1,763.99x = 3,087,430.59
  5. Step 5: Solve for x
    x = 3,087,430.59/1,763.99
  6. Step 6: Final answer
    x = 1,750.25

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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.