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Finding the Fourth Proportional to 12,222.56, 16,859.52 and 9,032.56

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Solution

The fourth proportional to 12,222.56, 16,859.52 and 9,032.56 is: 12,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.56 : 16,859.52 = 9,032.56 : x
  2. Step 2: Convert to fraction form
    12,222.56/16,859.52 = 9,032.56/x
  3. Step 3: Cross multiply
    12,222.56x = 16,859.52 × 9,032.56
  4. Step 4: Simplify right side
    12,222.56x = 152,284,625.97
  5. Step 5: Solve for x
    x = 152,284,625.97/12,222.56
  6. Step 6: Final answer
    x = 12,459.31

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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.