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Finding the Fourth Proportional to 36,409.53, 54,570.02 and 19,730.01

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Solution

The fourth proportional to 36,409.53, 54,570.02 and 19,730.01 is: 29,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,409.53 : 54,570.02 = 19,730.01 : x
  2. Step 2: Convert to fraction form
    36,409.53/54,570.02 = 19,730.01/x
  3. Step 3: Cross multiply
    36,409.53x = 54,570.02 × 19,730.01
  4. Step 4: Simplify right side
    36,409.53x = 1,076,666,941.65
  5. Step 5: Solve for x
    x = 1,076,666,941.65/36,409.53
  6. Step 6: Final answer
    x = 29,571.02

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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.