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Finding the Fourth Proportional to 9,116.70, 13,674.93 and 2,960.70

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Solution

The fourth proportional to 9,116.70, 13,674.93 and 2,960.70 is: 4,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.70 : 13,674.93 = 2,960.70 : x
  2. Step 2: Convert to fraction form
    9,116.70/13,674.93 = 2,960.70/x
  3. Step 3: Cross multiply
    9,116.70x = 13,674.93 × 2,960.70
  4. Step 4: Simplify right side
    9,116.70x = 40,487,365.25
  5. Step 5: Solve for x
    x = 40,487,365.25/9,116.70
  6. Step 6: Final answer
    x = 4,441.01

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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.