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Finding the Fourth Proportional to 73,075.50, 100,844.46 and 39,541.50

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Solution

The fourth proportional to 73,075.50, 100,844.46 and 39,541.50 is: 54,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,075.50 : 100,844.46 = 39,541.50 : x
  2. Step 2: Convert to fraction form
    73,075.50/100,844.46 = 39,541.50/x
  3. Step 3: Cross multiply
    73,075.50x = 100,844.46 × 39,541.50
  4. Step 4: Simplify right side
    73,075.50x = 3,987,541,215.09
  5. Step 5: Solve for x
    x = 3,987,541,215.09/73,075.50
  6. Step 6: Final answer
    x = 54,567.42

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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.