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Finding the Fourth Proportional to 55,235.53, 76,200.79 and 37,324.01

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Solution

The fourth proportional to 55,235.53, 76,200.79 and 37,324.01 is: 51,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.53 : 76,200.79 = 37,324.01 : x
  2. Step 2: Convert to fraction form
    55,235.53/76,200.79 = 37,324.01/x
  3. Step 3: Cross multiply
    55,235.53x = 76,200.79 × 37,324.01
  4. Step 4: Simplify right side
    55,235.53x = 2,844,118,861.35
  5. Step 5: Solve for x
    x = 2,844,118,861.35/55,235.53
  6. Step 6: Final answer
    x = 51,490.75

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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.