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Finding the Fourth Proportional to 7,069.73, 9,756.32 and 3,883.32

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Solution

The fourth proportional to 7,069.73, 9,756.32 and 3,883.32 is: 5,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.73 : 9,756.32 = 3,883.32 : x
  2. Step 2: Convert to fraction form
    7,069.73/9,756.32 = 3,883.32/x
  3. Step 3: Cross multiply
    7,069.73x = 9,756.32 × 3,883.32
  4. Step 4: Simplify right side
    7,069.73x = 37,886,893.17
  5. Step 5: Solve for x
    x = 37,886,893.17/7,069.73
  6. Step 6: Final answer
    x = 5,359.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.