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Finding the Fourth Proportional to 68,468.72, 94,488.84 and 38,253.08

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Solution

The fourth proportional to 68,468.72, 94,488.84 and 38,253.08 is: 52,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468.72 : 94,488.84 = 38,253.08 : x
  2. Step 2: Convert to fraction form
    68,468.72/94,488.84 = 38,253.08/x
  3. Step 3: Cross multiply
    68,468.72x = 94,488.84 × 38,253.08
  4. Step 4: Simplify right side
    68,468.72x = 3,614,489,155.63
  5. Step 5: Solve for x
    x = 3,614,489,155.63/68,468.72
  6. Step 6: Final answer
    x = 52,790.37

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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.