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Finding the Fourth Proportional to 9,673.44, 13,264.44 and 9,581.28

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Solution

The fourth proportional to 9,673.44, 13,264.44 and 9,581.28 is: 13,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.44 : 13,264.44 = 9,581.28 : x
  2. Step 2: Convert to fraction form
    9,673.44/13,264.44 = 9,581.28/x
  3. Step 3: Cross multiply
    9,673.44x = 13,264.44 × 9,581.28
  4. Step 4: Simplify right side
    9,673.44x = 127,090,313.68
  5. Step 5: Solve for x
    x = 127,090,313.68/9,673.44
  6. Step 6: Final answer
    x = 13,138.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.