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Finding the Fourth Proportional to 75,036.78, 103,537.89 and 44,834.22

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Solution

The fourth proportional to 75,036.78, 103,537.89 and 44,834.22 is: 61,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.78 : 103,537.89 = 44,834.22 : x
  2. Step 2: Convert to fraction form
    75,036.78/103,537.89 = 44,834.22/x
  3. Step 3: Cross multiply
    75,036.78x = 103,537.89 × 44,834.22
  4. Step 4: Simplify right side
    75,036.78x = 4,642,040,538.60
  5. Step 5: Solve for x
    x = 4,642,040,538.60/75,036.78
  6. Step 6: Final answer
    x = 61,863.54

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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.