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Finding the Fourth Proportional to 6,899.01, 9,525.47 and 5,388.27

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Solution

The fourth proportional to 6,899.01, 9,525.47 and 5,388.27 is: 7,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.01 : 9,525.47 = 5,388.27 : x
  2. Step 2: Convert to fraction form
    6,899.01/9,525.47 = 5,388.27/x
  3. Step 3: Cross multiply
    6,899.01x = 9,525.47 × 5,388.27
  4. Step 4: Simplify right side
    6,899.01x = 51,325,804.24
  5. Step 5: Solve for x
    x = 51,325,804.24/6,899.01
  6. Step 6: Final answer
    x = 7,439.60

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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.