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Finding the Fourth Proportional to 68,029.48, 102,046.50 and 25,903.24

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Solution

The fourth proportional to 68,029.48, 102,046.50 and 25,903.24 is: 38,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.48 : 102,046.50 = 25,903.24 : x
  2. Step 2: Convert to fraction form
    68,029.48/102,046.50 = 25,903.24/x
  3. Step 3: Cross multiply
    68,029.48x = 102,046.50 × 25,903.24
  4. Step 4: Simplify right side
    68,029.48x = 2,643,334,980.66
  5. Step 5: Solve for x
    x = 2,643,334,980.66/68,029.48
  6. Step 6: Final answer
    x = 38,855.73

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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.