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Finding the Fourth Proportional to 2,804.46, 4,206.28 and 955.63

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Solution

The fourth proportional to 2,804.46, 4,206.28 and 955.63 is: 1,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.46 : 4,206.28 = 955.63 : x
  2. Step 2: Convert to fraction form
    2,804.46/4,206.28 = 955.63/x
  3. Step 3: Cross multiply
    2,804.46x = 4,206.28 × 955.63
  4. Step 4: Simplify right side
    2,804.46x = 4,019,647.36
  5. Step 5: Solve for x
    x = 4,019,647.36/2,804.46
  6. Step 6: Final answer
    x = 1,433.31

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1.5x scale

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.