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Finding the Fourth Proportional to 6,999.95, 10,497.20 and 3,101.63

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Solution

The fourth proportional to 6,999.95, 10,497.20 and 3,101.63 is: 4,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.95 : 10,497.20 = 3,101.63 : x
  2. Step 2: Convert to fraction form
    6,999.95/10,497.20 = 3,101.63/x
  3. Step 3: Cross multiply
    6,999.95x = 10,497.20 × 3,101.63
  4. Step 4: Simplify right side
    6,999.95x = 32,558,362.44
  5. Step 5: Solve for x
    x = 32,558,362.44/6,999.95
  6. Step 6: Final answer
    x = 4,651.23

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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.