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Finding the Fourth Proportional to 1,035.01, 1,427.97 and 586.84

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Solution

The fourth proportional to 1,035.01, 1,427.97 and 586.84 is: 809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.01 : 1,427.97 = 586.84 : x
  2. Step 2: Convert to fraction form
    1,035.01/1,427.97 = 586.84/x
  3. Step 3: Cross multiply
    1,035.01x = 1,427.97 × 586.84
  4. Step 4: Simplify right side
    1,035.01x = 837,982.77
  5. Step 5: Solve for x
    x = 837,982.77/1,035.01
  6. Step 6: Final answer
    x = 809.63

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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.