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Finding the Fourth Proportional to 1,021.75, 1,532.94 and 588.67

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Solution

The fourth proportional to 1,021.75, 1,532.94 and 588.67 is: 883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021.75 : 1,532.94 = 588.67 : x
  2. Step 2: Convert to fraction form
    1,021.75/1,532.94 = 588.67/x
  3. Step 3: Cross multiply
    1,021.75x = 1,532.94 × 588.67
  4. Step 4: Simplify right side
    1,021.75x = 902,395.79
  5. Step 5: Solve for x
    x = 902,395.79/1,021.75
  6. Step 6: Final answer
    x = 883.19

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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.