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Finding the Fourth Proportional to 55,297.60, 82,985.28 and 50,009.92

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Solution

The fourth proportional to 55,297.60, 82,985.28 and 50,009.92 is: 75,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.60 : 82,985.28 = 50,009.92 : x
  2. Step 2: Convert to fraction form
    55,297.60/82,985.28 = 50,009.92/x
  3. Step 3: Cross multiply
    55,297.60x = 82,985.28 × 50,009.92
  4. Step 4: Simplify right side
    55,297.60x = 4,150,087,213.98
  5. Step 5: Solve for x
    x = 4,150,087,213.98/55,297.60
  6. Step 6: Final answer
    x = 75,050.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.