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Finding the Fourth Proportional to 55,070.30, 82,608.60 and 15,624.32

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Solution

The fourth proportional to 55,070.30, 82,608.60 and 15,624.32 is: 23,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,070.30 : 82,608.60 = 15,624.32 : x
  2. Step 2: Convert to fraction form
    55,070.30/82,608.60 = 15,624.32/x
  3. Step 3: Cross multiply
    55,070.30x = 82,608.60 × 15,624.32
  4. Step 4: Simplify right side
    55,070.30x = 1,290,703,201.15
  5. Step 5: Solve for x
    x = 1,290,703,201.15/55,070.30
  6. Step 6: Final answer
    x = 23,437.37

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