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Finding the Fourth Proportional to 34,809.56, 48,037.23 and 18,894.00

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Solution

The fourth proportional to 34,809.56, 48,037.23 and 18,894.00 is: 26,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.56 : 48,037.23 = 18,894.00 : x
  2. Step 2: Convert to fraction form
    34,809.56/48,037.23 = 18,894.00/x
  3. Step 3: Cross multiply
    34,809.56x = 48,037.23 × 18,894.00
  4. Step 4: Simplify right side
    34,809.56x = 907,615,603.76
  5. Step 5: Solve for x
    x = 907,615,603.76/34,809.56
  6. Step 6: Final answer
    x = 26,073.75

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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.