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Finding the Fourth Proportional to 1,592.61, 2,386.48 and 667.67

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Solution

The fourth proportional to 1,592.61, 2,386.48 and 667.67 is: 1,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.61 : 2,386.48 = 667.67 : x
  2. Step 2: Convert to fraction form
    1,592.61/2,386.48 = 667.67/x
  3. Step 3: Cross multiply
    1,592.61x = 2,386.48 × 667.67
  4. Step 4: Simplify right side
    1,592.61x = 1,593,369.17
  5. Step 5: Solve for x
    x = 1,593,369.17/1,592.61
  6. Step 6: Final answer
    x = 1,000.48

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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.