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Finding the Fourth Proportional to 67,456.63, 101,189.84 and 25,903.63

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Solution

The fourth proportional to 67,456.63, 101,189.84 and 25,903.63 is: 38,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,456.63 : 101,189.84 = 25,903.63 : x
  2. Step 2: Convert to fraction form
    67,456.63/101,189.84 = 25,903.63/x
  3. Step 3: Cross multiply
    67,456.63x = 101,189.84 × 25,903.63
  4. Step 4: Simplify right side
    67,456.63x = 2,621,184,175.12
  5. Step 5: Solve for x
    x = 2,621,184,175.12/67,456.63
  6. Step 6: Final answer
    x = 38,857.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.