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Finding the Fourth Proportional to 55,846.80, 76,985.64 and 36,951.12

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Solution

The fourth proportional to 55,846.80, 76,985.64 and 36,951.12 is: 50,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.80 : 76,985.64 = 36,951.12 : x
  2. Step 2: Convert to fraction form
    55,846.80/76,985.64 = 36,951.12/x
  3. Step 3: Cross multiply
    55,846.80x = 76,985.64 × 36,951.12
  4. Step 4: Simplify right side
    55,846.80x = 2,844,705,621.92
  5. Step 5: Solve for x
    x = 2,844,705,621.92/55,846.80
  6. Step 6: Final answer
    x = 50,937.67

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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.