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Finding the Fourth Proportional to 6,945.92, 9,584.52 and 5,533.20

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Solution

The fourth proportional to 6,945.92, 9,584.52 and 5,533.20 is: 7,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.92 : 9,584.52 = 5,533.20 : x
  2. Step 2: Convert to fraction form
    6,945.92/9,584.52 = 5,533.20/x
  3. Step 3: Cross multiply
    6,945.92x = 9,584.52 × 5,533.20
  4. Step 4: Simplify right side
    6,945.92x = 53,033,066.06
  5. Step 5: Solve for x
    x = 53,033,066.06/6,945.92
  6. Step 6: Final answer
    x = 7,635.14

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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.