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Finding the Fourth Proportional to 75,365.94, 113,051.33 and 37,905.57

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Solution

The fourth proportional to 75,365.94, 113,051.33 and 37,905.57 is: 56,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.94 : 113,051.33 = 37,905.57 : x
  2. Step 2: Convert to fraction form
    75,365.94/113,051.33 = 37,905.57/x
  3. Step 3: Cross multiply
    75,365.94x = 113,051.33 × 37,905.57
  4. Step 4: Simplify right side
    75,365.94x = 4,285,275,055.53
  5. Step 5: Solve for x
    x = 4,285,275,055.53/75,365.94
  6. Step 6: Final answer
    x = 56,859.57

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1.5x scale

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.