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Finding the Fourth Proportional to 2,710.07, 4,065.09 and 954.66

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Solution

The fourth proportional to 2,710.07, 4,065.09 and 954.66 is: 1,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.07 : 4,065.09 = 954.66 : x
  2. Step 2: Convert to fraction form
    2,710.07/4,065.09 = 954.66/x
  3. Step 3: Cross multiply
    2,710.07x = 4,065.09 × 954.66
  4. Step 4: Simplify right side
    2,710.07x = 3,880,778.82
  5. Step 5: Solve for x
    x = 3,880,778.82/2,710.07
  6. Step 6: Final answer
    x = 1,431.98

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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.