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Finding the Fourth Proportional to 74,674.44, 103,028.76 and 44,444.57

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Solution

The fourth proportional to 74,674.44, 103,028.76 and 44,444.57 is: 61,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.44 : 103,028.76 = 44,444.57 : x
  2. Step 2: Convert to fraction form
    74,674.44/103,028.76 = 44,444.57/x
  3. Step 3: Cross multiply
    74,674.44x = 103,028.76 × 44,444.57
  4. Step 4: Simplify right side
    74,674.44x = 4,579,068,420.69
  5. Step 5: Solve for x
    x = 4,579,068,420.69/74,674.44
  6. Step 6: Final answer
    x = 61,320.43

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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.