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Finding the Fourth Proportional to 4,303.94, 6,455.94 and 1,963.46

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Solution

The fourth proportional to 4,303.94, 6,455.94 and 1,963.46 is: 2,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.94 : 6,455.94 = 1,963.46 : x
  2. Step 2: Convert to fraction form
    4,303.94/6,455.94 = 1,963.46/x
  3. Step 3: Cross multiply
    4,303.94x = 6,455.94 × 1,963.46
  4. Step 4: Simplify right side
    4,303.94x = 12,675,979.95
  5. Step 5: Solve for x
    x = 12,675,979.95/4,303.94
  6. Step 6: Final answer
    x = 2,945.20

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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.