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Finding the Fourth Proportional to 74,602.56, 111,904.24 and 27,855.04

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Solution

The fourth proportional to 74,602.56, 111,904.24 and 27,855.04 is: 41,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.56 : 111,904.24 = 27,855.04 : x
  2. Step 2: Convert to fraction form
    74,602.56/111,904.24 = 27,855.04/x
  3. Step 3: Cross multiply
    74,602.56x = 111,904.24 × 27,855.04
  4. Step 4: Simplify right side
    74,602.56x = 3,117,097,081.37
  5. Step 5: Solve for x
    x = 3,117,097,081.37/74,602.56
  6. Step 6: Final answer
    x = 41,782.71

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1.5x scale

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.