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Finding the Fourth Proportional to 68,352.63, 94,326.88 and 38,139.22

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Solution

The fourth proportional to 68,352.63, 94,326.88 and 38,139.22 is: 52,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,352.63 : 94,326.88 = 38,139.22 : x
  2. Step 2: Convert to fraction form
    68,352.63/94,326.88 = 38,139.22/x
  3. Step 3: Cross multiply
    68,352.63x = 94,326.88 × 38,139.22
  4. Step 4: Simplify right side
    68,352.63x = 3,597,553,722.31
  5. Step 5: Solve for x
    x = 3,597,553,722.31/68,352.63
  6. Step 6: Final answer
    x = 52,632.27

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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.