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Finding the Fourth Proportional to 74,850.58, 103,291.22 and 44,620.30

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Solution

The fourth proportional to 74,850.58, 103,291.22 and 44,620.30 is: 61,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,850.58 : 103,291.22 = 44,620.30 : x
  2. Step 2: Convert to fraction form
    74,850.58/103,291.22 = 44,620.30/x
  3. Step 3: Cross multiply
    74,850.58x = 103,291.22 × 44,620.30
  4. Step 4: Simplify right side
    74,850.58x = 4,608,885,223.77
  5. Step 5: Solve for x
    x = 4,608,885,223.77/74,850.58
  6. Step 6: Final answer
    x = 61,574.48

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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.