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Finding the Fourth Proportional to 68,598.52, 94,648.26 and 40,298.68

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Solution

The fourth proportional to 68,598.52, 94,648.26 and 40,298.68 is: 55,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,598.52 : 94,648.26 = 40,298.68 : x
  2. Step 2: Convert to fraction form
    68,598.52/94,648.26 = 40,298.68/x
  3. Step 3: Cross multiply
    68,598.52x = 94,648.26 × 40,298.68
  4. Step 4: Simplify right side
    68,598.52x = 3,814,199,942.30
  5. Step 5: Solve for x
    x = 3,814,199,942.30/68,598.52
  6. Step 6: Final answer
    x = 55,601.78

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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.