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Finding the Fourth Proportional to 18,070.08, 27,098.36 and 6,220.52

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Solution

The fourth proportional to 18,070.08, 27,098.36 and 6,220.52 is: 9,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.08 : 27,098.36 = 6,220.52 : x
  2. Step 2: Convert to fraction form
    18,070.08/27,098.36 = 6,220.52/x
  3. Step 3: Cross multiply
    18,070.08x = 27,098.36 × 6,220.52
  4. Step 4: Simplify right side
    18,070.08x = 168,565,890.35
  5. Step 5: Solve for x
    x = 168,565,890.35/18,070.08
  6. Step 6: Final answer
    x = 9,328.45

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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.