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Finding the Fourth Proportional to 75,085.58, 103,618.83 and 41,551.50

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Solution

The fourth proportional to 75,085.58, 103,618.83 and 41,551.50 is: 57,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.58 : 103,618.83 = 41,551.50 : x
  2. Step 2: Convert to fraction form
    75,085.58/103,618.83 = 41,551.50/x
  3. Step 3: Cross multiply
    75,085.58x = 103,618.83 × 41,551.50
  4. Step 4: Simplify right side
    75,085.58x = 4,305,517,814.75
  5. Step 5: Solve for x
    x = 4,305,517,814.75/75,085.58
  6. Step 6: Final answer
    x = 57,341.47

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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.