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Finding the Fourth Proportional to 9,998.52, 13,798.44 and 6,020.88

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Solution

The fourth proportional to 9,998.52, 13,798.44 and 6,020.88 is: 8,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.52 : 13,798.44 = 6,020.88 : x
  2. Step 2: Convert to fraction form
    9,998.52/13,798.44 = 6,020.88/x
  3. Step 3: Cross multiply
    9,998.52x = 13,798.44 × 6,020.88
  4. Step 4: Simplify right side
    9,998.52x = 83,078,751.43
  5. Step 5: Solve for x
    x = 83,078,751.43/9,998.52
  6. Step 6: Final answer
    x = 8,309.10

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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.