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Finding the Fourth Proportional to 74,975.84, 112,519.13 and 35,533.07

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Solution

The fourth proportional to 74,975.84, 112,519.13 and 35,533.07 is: 53,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.84 : 112,519.13 = 35,533.07 : x
  2. Step 2: Convert to fraction form
    74,975.84/112,519.13 = 35,533.07/x
  3. Step 3: Cross multiply
    74,975.84x = 112,519.13 × 35,533.07
  4. Step 4: Simplify right side
    74,975.84x = 3,998,149,382.37
  5. Step 5: Solve for x
    x = 3,998,149,382.37/74,975.84
  6. Step 6: Final answer
    x = 53,325.84

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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.