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Finding the Fourth Proportional to 75,907.36, 104,755.44 and 42,375.52

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Solution

The fourth proportional to 75,907.36, 104,755.44 and 42,375.52 is: 58,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.36 : 104,755.44 = 42,375.52 : x
  2. Step 2: Convert to fraction form
    75,907.36/104,755.44 = 42,375.52/x
  3. Step 3: Cross multiply
    75,907.36x = 104,755.44 × 42,375.52
  4. Step 4: Simplify right side
    75,907.36x = 4,439,066,242.83
  5. Step 5: Solve for x
    x = 4,439,066,242.83/75,907.36
  6. Step 6: Final answer
    x = 58,480.05

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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.