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Finding the Fourth Proportional to 12,295.48, 18,397.86 and 7,368.52

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Solution

The fourth proportional to 12,295.48, 18,397.86 and 7,368.52 is: 11,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.48 : 18,397.86 = 7,368.52 : x
  2. Step 2: Convert to fraction form
    12,295.48/18,397.86 = 7,368.52/x
  3. Step 3: Cross multiply
    12,295.48x = 18,397.86 × 7,368.52
  4. Step 4: Simplify right side
    12,295.48x = 135,564,999.37
  5. Step 5: Solve for x
    x = 135,564,999.37/12,295.48
  6. Step 6: Final answer
    x = 11,025.60

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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.