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Finding the Fourth Proportional to 55,364.60, 76,415.60 and 36,233.28

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Solution

The fourth proportional to 55,364.60, 76,415.60 and 36,233.28 is: 50,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.60 : 76,415.60 = 36,233.28 : x
  2. Step 2: Convert to fraction form
    55,364.60/76,415.60 = 36,233.28/x
  3. Step 3: Cross multiply
    55,364.60x = 76,415.60 × 36,233.28
  4. Step 4: Simplify right side
    55,364.60x = 2,768,787,921.75
  5. Step 5: Solve for x
    x = 2,768,787,921.75/55,364.60
  6. Step 6: Final answer
    x = 50,010.07

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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.