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Finding the Fourth Proportional to 48,433.92, 66,837.12 and 29,602.56

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Solution

The fourth proportional to 48,433.92, 66,837.12 and 29,602.56 is: 40,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.92 : 66,837.12 = 29,602.56 : x
  2. Step 2: Convert to fraction form
    48,433.92/66,837.12 = 29,602.56/x
  3. Step 3: Cross multiply
    48,433.92x = 66,837.12 × 29,602.56
  4. Step 4: Simplify right side
    48,433.92x = 1,978,549,855.03
  5. Step 5: Solve for x
    x = 1,978,549,855.03/48,433.92
  6. Step 6: Final answer
    x = 40,850.50

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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.