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Finding the Fourth Proportional to 6,984.01, 9,628.01 and 5,555.17

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Solution

The fourth proportional to 6,984.01, 9,628.01 and 5,555.17 is: 7,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.01 : 9,628.01 = 5,555.17 : x
  2. Step 2: Convert to fraction form
    6,984.01/9,628.01 = 5,555.17/x
  3. Step 3: Cross multiply
    6,984.01x = 9,628.01 × 5,555.17
  4. Step 4: Simplify right side
    6,984.01x = 53,485,232.31
  5. Step 5: Solve for x
    x = 53,485,232.31/6,984.01
  6. Step 6: Final answer
    x = 7,658.24

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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.