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Finding the Fourth Proportional to 7,673.94, 11,510.91 and 2,127.16

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Solution

The fourth proportional to 7,673.94, 11,510.91 and 2,127.16 is: 3,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.94 : 11,510.91 = 2,127.16 : x
  2. Step 2: Convert to fraction form
    7,673.94/11,510.91 = 2,127.16/x
  3. Step 3: Cross multiply
    7,673.94x = 11,510.91 × 2,127.16
  4. Step 4: Simplify right side
    7,673.94x = 24,485,561.70
  5. Step 5: Solve for x
    x = 24,485,561.70/7,673.94
  6. Step 6: Final answer
    x = 3,190.74

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Double scale
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Similar ratio
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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.