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Finding the Fourth Proportional to 34,809.88, 48,037.98 and 18,894.48

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Solution

The fourth proportional to 34,809.88, 48,037.98 and 18,894.48 is: 26,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.88 : 48,037.98 = 18,894.48 : x
  2. Step 2: Convert to fraction form
    34,809.88/48,037.98 = 18,894.48/x
  3. Step 3: Cross multiply
    34,809.88x = 48,037.98 × 18,894.48
  4. Step 4: Simplify right side
    34,809.88x = 907,652,652.35
  5. Step 5: Solve for x
    x = 907,652,652.35/34,809.88
  6. Step 6: Final answer
    x = 26,074.57

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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.