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Finding the Fourth Proportional to 7,690.94, 10,601.03 and 6,009.41

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Solution

The fourth proportional to 7,690.94, 10,601.03 and 6,009.41 is: 8,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.94 : 10,601.03 = 6,009.41 : x
  2. Step 2: Convert to fraction form
    7,690.94/10,601.03 = 6,009.41/x
  3. Step 3: Cross multiply
    7,690.94x = 10,601.03 × 6,009.41
  4. Step 4: Simplify right side
    7,690.94x = 63,705,852.64
  5. Step 5: Solve for x
    x = 63,705,852.64/7,690.94
  6. Step 6: Final answer
    x = 8,283.24

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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.