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Finding the Fourth Proportional to 72,525.00, 108,785.08 and 29,828.95

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Solution

The fourth proportional to 72,525.00, 108,785.08 and 29,828.95 is: 44,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,525.00 : 108,785.08 = 29,828.95 : x
  2. Step 2: Convert to fraction form
    72,525.00/108,785.08 = 29,828.95/x
  3. Step 3: Cross multiply
    72,525.00x = 108,785.08 × 29,828.95
  4. Step 4: Simplify right side
    72,525.00x = 3,244,944,699.45
  5. Step 5: Solve for x
    x = 3,244,944,699.45/72,525.00
  6. Step 6: Final answer
    x = 44,742.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.