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Finding the Fourth Proportional to 1,715.56, 2,573.66 and 562.12

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Solution

The fourth proportional to 1,715.56, 2,573.66 and 562.12 is: 843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.56 : 2,573.66 = 562.12 : x
  2. Step 2: Convert to fraction form
    1,715.56/2,573.66 = 562.12/x
  3. Step 3: Cross multiply
    1,715.56x = 2,573.66 × 562.12
  4. Step 4: Simplify right side
    1,715.56x = 1,446,705.76
  5. Step 5: Solve for x
    x = 1,446,705.76/1,715.56
  6. Step 6: Final answer
    x = 843.28

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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.