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Finding the Fourth Proportional to 6,888.00, 10,332.01 and 3,188.21

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Solution

The fourth proportional to 6,888.00, 10,332.01 and 3,188.21 is: 4,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.00 : 10,332.01 = 3,188.21 : x
  2. Step 2: Convert to fraction form
    6,888.00/10,332.01 = 3,188.21/x
  3. Step 3: Cross multiply
    6,888.00x = 10,332.01 × 3,188.21
  4. Step 4: Simplify right side
    6,888.00x = 32,940,610.11
  5. Step 5: Solve for x
    x = 32,940,610.11/6,888.00
  6. Step 6: Final answer
    x = 4,782.32

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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.