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Finding the Fourth Proportional to 74,684.92, 103,043.08 and 44,446

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Solution

The fourth proportional to 74,684.92, 103,043.08 and 44,446 is: 61,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,684.92 : 103,043.08 = 44,446 : x
  2. Step 2: Convert to fraction form
    74,684.92/103,043.08 = 44,446/x
  3. Step 3: Cross multiply
    74,684.92x = 103,043.08 × 44,446
  4. Step 4: Simplify right side
    74,684.92x = 4,579,852,733.68
  5. Step 5: Solve for x
    x = 4,579,852,733.68/74,684.92
  6. Step 6: Final answer
    x = 61,322.32

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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.