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Finding the Fourth Proportional to 1,706.42, 2,564.45 and 1,013.22

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Solution

The fourth proportional to 1,706.42, 2,564.45 and 1,013.22 is: 1,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.42 : 2,564.45 = 1,013.22 : x
  2. Step 2: Convert to fraction form
    1,706.42/2,564.45 = 1,013.22/x
  3. Step 3: Cross multiply
    1,706.42x = 2,564.45 × 1,013.22
  4. Step 4: Simplify right side
    1,706.42x = 2,598,352.03
  5. Step 5: Solve for x
    x = 2,598,352.03/1,706.42
  6. Step 6: Final answer
    x = 1,522.69

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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.