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Finding the Fourth Proportional to 1,763.54, 2,434.16 and 1,100

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Solution

The fourth proportional to 1,763.54, 2,434.16 and 1,100 is: 1,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.54 : 2,434.16 = 1,100 : x
  2. Step 2: Convert to fraction form
    1,763.54/2,434.16 = 1,100/x
  3. Step 3: Cross multiply
    1,763.54x = 2,434.16 × 1,100
  4. Step 4: Simplify right side
    1,763.54x = 2,677,576
  5. Step 5: Solve for x
    x = 2,677,576/1,763.54
  6. Step 6: Final answer
    x = 1,518.30

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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.