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Finding the Fourth Proportional to 36,583.80, 50,485.60 and 19,816.80

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Solution

The fourth proportional to 36,583.80, 50,485.60 and 19,816.80 is: 27,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,583.80 : 50,485.60 = 19,816.80 : x
  2. Step 2: Convert to fraction form
    36,583.80/50,485.60 = 19,816.80/x
  3. Step 3: Cross multiply
    36,583.80x = 50,485.60 × 19,816.80
  4. Step 4: Simplify right side
    36,583.80x = 1,000,463,038.08
  5. Step 5: Solve for x
    x = 1,000,463,038.08/36,583.80
  6. Step 6: Final answer
    x = 27,347.16

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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.