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Finding the Fourth Proportional to 1,684.75, 2,526.44 and 588.75

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Solution

The fourth proportional to 1,684.75, 2,526.44 and 588.75 is: 882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.75 : 2,526.44 = 588.75 : x
  2. Step 2: Convert to fraction form
    1,684.75/2,526.44 = 588.75/x
  3. Step 3: Cross multiply
    1,684.75x = 2,526.44 × 588.75
  4. Step 4: Simplify right side
    1,684.75x = 1,487,441.55
  5. Step 5: Solve for x
    x = 1,487,441.55/1,684.75
  6. Step 6: Final answer
    x = 882.89

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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.