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Finding the Fourth Proportional to 9,809.35, 13,536.94 and 5,333.11

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Solution

The fourth proportional to 9,809.35, 13,536.94 and 5,333.11 is: 7,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.35 : 13,536.94 = 5,333.11 : x
  2. Step 2: Convert to fraction form
    9,809.35/13,536.94 = 5,333.11/x
  3. Step 3: Cross multiply
    9,809.35x = 13,536.94 × 5,333.11
  4. Step 4: Simplify right side
    9,809.35x = 72,193,952.91
  5. Step 5: Solve for x
    x = 72,193,952.91/9,809.35
  6. Step 6: Final answer
    x = 7,359.71

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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.