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Finding the Fourth Proportional to 6,570.54, 9,855.63 and 2,188.08

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Solution

The fourth proportional to 6,570.54, 9,855.63 and 2,188.08 is: 3,282.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.54 : 9,855.63 = 2,188.08 : x
  2. Step 2: Convert to fraction form
    6,570.54/9,855.63 = 2,188.08/x
  3. Step 3: Cross multiply
    6,570.54x = 9,855.63 × 2,188.08
  4. Step 4: Simplify right side
    6,570.54x = 21,564,906.89
  5. Step 5: Solve for x
    x = 21,564,906.89/6,570.54
  6. Step 6: Final answer
    x = 3,282.06

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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.