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Finding the Fourth Proportional to 6,200.55, 8,698.05 and 6,200.55

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Solution

The fourth proportional to 6,200.55, 8,698.05 and 6,200.55 is: 8,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.55 : 8,698.05 = 6,200.55 : x
  2. Step 2: Convert to fraction form
    6,200.55/8,698.05 = 6,200.55/x
  3. Step 3: Cross multiply
    6,200.55x = 8,698.05 × 6,200.55
  4. Step 4: Simplify right side
    6,200.55x = 53,932,693.93
  5. Step 5: Solve for x
    x = 53,932,693.93/6,200.55
  6. Step 6: Final answer
    x = 8,698.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.