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Finding the Fourth Proportional to 6,488.94, 8,951.63 and 6,237.46

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Solution

The fourth proportional to 6,488.94, 8,951.63 and 6,237.46 is: 8,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.94 : 8,951.63 = 6,237.46 : x
  2. Step 2: Convert to fraction form
    6,488.94/8,951.63 = 6,237.46/x
  3. Step 3: Cross multiply
    6,488.94x = 8,951.63 × 6,237.46
  4. Step 4: Simplify right side
    6,488.94x = 55,835,434.06
  5. Step 5: Solve for x
    x = 55,835,434.06/6,488.94
  6. Step 6: Final answer
    x = 8,604.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.