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Finding the Fourth Proportional to 11,575.46, 17,364.28 and 3,255.46

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Solution

The fourth proportional to 11,575.46, 17,364.28 and 3,255.46 is: 4,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.46 : 17,364.28 = 3,255.46 : x
  2. Step 2: Convert to fraction form
    11,575.46/17,364.28 = 3,255.46/x
  3. Step 3: Cross multiply
    11,575.46x = 17,364.28 × 3,255.46
  4. Step 4: Simplify right side
    11,575.46x = 56,528,718.97
  5. Step 5: Solve for x
    x = 56,528,718.97/11,575.46
  6. Step 6: Final answer
    x = 4,883.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.