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Finding the Fourth Proportional to 1,043.88, 1,566.54 and 1,035.78

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Solution

The fourth proportional to 1,043.88, 1,566.54 and 1,035.78 is: 1,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.88 : 1,566.54 = 1,035.78 : x
  2. Step 2: Convert to fraction form
    1,043.88/1,566.54 = 1,035.78/x
  3. Step 3: Cross multiply
    1,043.88x = 1,566.54 × 1,035.78
  4. Step 4: Simplify right side
    1,043.88x = 1,622,590.80
  5. Step 5: Solve for x
    x = 1,622,590.80/1,043.88
  6. Step 6: Final answer
    x = 1,554.38

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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.