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Finding the Fourth Proportional to 12,483.44, 17,207.34 and 9,827.36

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Solution

The fourth proportional to 12,483.44, 17,207.34 and 9,827.36 is: 13,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.44 : 17,207.34 = 9,827.36 : x
  2. Step 2: Convert to fraction form
    12,483.44/17,207.34 = 9,827.36/x
  3. Step 3: Cross multiply
    12,483.44x = 17,207.34 × 9,827.36
  4. Step 4: Simplify right side
    12,483.44x = 169,102,724.82
  5. Step 5: Solve for x
    x = 169,102,724.82/12,483.44
  6. Step 6: Final answer
    x = 13,546.16

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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.