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Finding the Fourth Proportional to 1,053.36, 1,580.88 and 566.64

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Solution

The fourth proportional to 1,053.36, 1,580.88 and 566.64 is: 850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.36 : 1,580.88 = 566.64 : x
  2. Step 2: Convert to fraction form
    1,053.36/1,580.88 = 566.64/x
  3. Step 3: Cross multiply
    1,053.36x = 1,580.88 × 566.64
  4. Step 4: Simplify right side
    1,053.36x = 895,789.84
  5. Step 5: Solve for x
    x = 895,789.84/1,053.36
  6. Step 6: Final answer
    x = 850.41

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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.