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Finding the Fourth Proportional to 68,497.52, 94,524.80 and 38,283.09

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Solution

The fourth proportional to 68,497.52, 94,524.80 and 38,283.09 is: 52,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.52 : 94,524.80 = 38,283.09 : x
  2. Step 2: Convert to fraction form
    68,497.52/94,524.80 = 38,283.09/x
  3. Step 3: Cross multiply
    68,497.52x = 94,524.80 × 38,283.09
  4. Step 4: Simplify right side
    68,497.52x = 3,618,701,425.63
  5. Step 5: Solve for x
    x = 3,618,701,425.63/68,497.52
  6. Step 6: Final answer
    x = 52,829.67

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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.