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Finding the Fourth Proportional to 9,800.55, 13,527.86 and 6,263.78

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Solution

The fourth proportional to 9,800.55, 13,527.86 and 6,263.78 is: 8,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.55 : 13,527.86 = 6,263.78 : x
  2. Step 2: Convert to fraction form
    9,800.55/13,527.86 = 6,263.78/x
  3. Step 3: Cross multiply
    9,800.55x = 13,527.86 × 6,263.78
  4. Step 4: Simplify right side
    9,800.55x = 84,735,439.95
  5. Step 5: Solve for x
    x = 84,735,439.95/9,800.55
  6. Step 6: Final answer
    x = 8,645.99

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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.