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Finding the Fourth Proportional to 7,069.44, 10,597.76 and 3,605.76

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Solution

The fourth proportional to 7,069.44, 10,597.76 and 3,605.76 is: 5,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.44 : 10,597.76 = 3,605.76 : x
  2. Step 2: Convert to fraction form
    7,069.44/10,597.76 = 3,605.76/x
  3. Step 3: Cross multiply
    7,069.44x = 10,597.76 × 3,605.76
  4. Step 4: Simplify right side
    7,069.44x = 38,212,979.10
  5. Step 5: Solve for x
    x = 38,212,979.10/7,069.44
  6. Step 6: Final answer
    x = 5,405.38

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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.