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Finding the Fourth Proportional to 56,612.84, 78,052.26 and 36,433.64

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Solution

The fourth proportional to 56,612.84, 78,052.26 and 36,433.64 is: 50,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.84 : 78,052.26 = 36,433.64 : x
  2. Step 2: Convert to fraction form
    56,612.84/78,052.26 = 36,433.64/x
  3. Step 3: Cross multiply
    56,612.84x = 78,052.26 × 36,433.64
  4. Step 4: Simplify right side
    56,612.84x = 2,843,727,942.03
  5. Step 5: Solve for x
    x = 2,843,727,942.03/56,612.84
  6. Step 6: Final answer
    x = 50,231.15

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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.