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Finding the Fourth Proportional to 66,093.36, 98,971.02 and 36,478.32

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Solution

The fourth proportional to 66,093.36, 98,971.02 and 36,478.32 is: 54,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.36 : 98,971.02 = 36,478.32 : x
  2. Step 2: Convert to fraction form
    66,093.36/98,971.02 = 36,478.32/x
  3. Step 3: Cross multiply
    66,093.36x = 98,971.02 × 36,478.32
  4. Step 4: Simplify right side
    66,093.36x = 3,610,296,538.29
  5. Step 5: Solve for x
    x = 3,610,296,538.29/66,093.36
  6. Step 6: Final answer
    x = 54,624.19

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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.