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Finding the Fourth Proportional to 6,999.53, 10,501.52 and 2,069.20

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Solution

The fourth proportional to 6,999.53, 10,501.52 and 2,069.20 is: 3,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.53 : 10,501.52 = 2,069.20 : x
  2. Step 2: Convert to fraction form
    6,999.53/10,501.52 = 2,069.20/x
  3. Step 3: Cross multiply
    6,999.53x = 10,501.52 × 2,069.20
  4. Step 4: Simplify right side
    6,999.53x = 21,729,724.10
  5. Step 5: Solve for x
    x = 21,729,724.10/6,999.53
  6. Step 6: Final answer
    x = 3,104.45

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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.