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Finding the Fourth Proportional to 68,467.68, 94,485.84 and 38,254.08

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Solution

The fourth proportional to 68,467.68, 94,485.84 and 38,254.08 is: 52,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.68 : 94,485.84 = 38,254.08 : x
  2. Step 2: Convert to fraction form
    68,467.68/94,485.84 = 38,254.08/x
  3. Step 3: Cross multiply
    68,467.68x = 94,485.84 × 38,254.08
  4. Step 4: Simplify right side
    68,467.68x = 3,614,468,882.23
  5. Step 5: Solve for x
    x = 3,614,468,882.23/68,467.68
  6. Step 6: Final answer
    x = 52,790.88

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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.