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Finding the Fourth Proportional to 9,884.20, 14,804.70 and 8,588.20

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Solution

The fourth proportional to 9,884.20, 14,804.70 and 8,588.20 is: 12,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.20 : 14,804.70 = 8,588.20 : x
  2. Step 2: Convert to fraction form
    9,884.20/14,804.70 = 8,588.20/x
  3. Step 3: Cross multiply
    9,884.20x = 14,804.70 × 8,588.20
  4. Step 4: Simplify right side
    9,884.20x = 127,145,724.54
  5. Step 5: Solve for x
    x = 127,145,724.54/9,884.20
  6. Step 6: Final answer
    x = 12,863.53

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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.