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Finding the Fourth Proportional to 2,509.33, 3,762.95 and 949.06

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Solution

The fourth proportional to 2,509.33, 3,762.95 and 949.06 is: 1,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.33 : 3,762.95 = 949.06 : x
  2. Step 2: Convert to fraction form
    2,509.33/3,762.95 = 949.06/x
  3. Step 3: Cross multiply
    2,509.33x = 3,762.95 × 949.06
  4. Step 4: Simplify right side
    2,509.33x = 3,571,265.33
  5. Step 5: Solve for x
    x = 3,571,265.33/2,509.33
  6. Step 6: Final answer
    x = 1,423.19

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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.