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Finding the Fourth Proportional to 68,556.84, 94,613.22 and 38,352.12

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Solution

The fourth proportional to 68,556.84, 94,613.22 and 38,352.12 is: 52,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,556.84 : 94,613.22 = 38,352.12 : x
  2. Step 2: Convert to fraction form
    68,556.84/94,613.22 = 38,352.12/x
  3. Step 3: Cross multiply
    68,556.84x = 94,613.22 × 38,352.12
  4. Step 4: Simplify right side
    68,556.84x = 3,628,617,567.03
  5. Step 5: Solve for x
    x = 3,628,617,567.03/68,556.84
  6. Step 6: Final answer
    x = 52,928.60

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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.