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Finding the Fourth Proportional to 1,034.17, 1,427.16 and 562.07

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Solution

The fourth proportional to 1,034.17, 1,427.16 and 562.07 is: 775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.17 : 1,427.16 = 562.07 : x
  2. Step 2: Convert to fraction form
    1,034.17/1,427.16 = 562.07/x
  3. Step 3: Cross multiply
    1,034.17x = 1,427.16 × 562.07
  4. Step 4: Simplify right side
    1,034.17x = 802,163.82
  5. Step 5: Solve for x
    x = 802,163.82/1,034.17
  6. Step 6: Final answer
    x = 775.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.