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Finding the Fourth Proportional to 1,044.86, 1,566.58 and 627.45

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Solution

The fourth proportional to 1,044.86, 1,566.58 and 627.45 is: 940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.86 : 1,566.58 = 627.45 : x
  2. Step 2: Convert to fraction form
    1,044.86/1,566.58 = 627.45/x
  3. Step 3: Cross multiply
    1,044.86x = 1,566.58 × 627.45
  4. Step 4: Simplify right side
    1,044.86x = 982,950.62
  5. Step 5: Solve for x
    x = 982,950.62/1,044.86
  6. Step 6: Final answer
    x = 940.75

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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.