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Finding the Fourth Proportional to 1,057.14, 1,586.16 and 569.62

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Solution

The fourth proportional to 1,057.14, 1,586.16 and 569.62 is: 854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.14 : 1,586.16 = 569.62 : x
  2. Step 2: Convert to fraction form
    1,057.14/1,586.16 = 569.62/x
  3. Step 3: Cross multiply
    1,057.14x = 1,586.16 × 569.62
  4. Step 4: Simplify right side
    1,057.14x = 903,497.68
  5. Step 5: Solve for x
    x = 903,497.68/1,057.14
  6. Step 6: Final answer
    x = 854.66

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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.