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Finding the Fourth Proportional to 2,307.07, 3,460.09 and 663.25

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Solution

The fourth proportional to 2,307.07, 3,460.09 and 663.25 is: 994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.07 : 3,460.09 = 663.25 : x
  2. Step 2: Convert to fraction form
    2,307.07/3,460.09 = 663.25/x
  3. Step 3: Cross multiply
    2,307.07x = 3,460.09 × 663.25
  4. Step 4: Simplify right side
    2,307.07x = 2,294,904.69
  5. Step 5: Solve for x
    x = 2,294,904.69/2,307.07
  6. Step 6: Final answer
    x = 994.73

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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.