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Finding the Fourth Proportional to 13,095.83, 18,072.61 and 7,430.82

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Solution

The fourth proportional to 13,095.83, 18,072.61 and 7,430.82 is: 10,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.83 : 18,072.61 = 7,430.82 : x
  2. Step 2: Convert to fraction form
    13,095.83/18,072.61 = 7,430.82/x
  3. Step 3: Cross multiply
    13,095.83x = 18,072.61 × 7,430.82
  4. Step 4: Simplify right side
    13,095.83x = 134,294,368.95
  5. Step 5: Solve for x
    x = 134,294,368.95/13,095.83
  6. Step 6: Final answer
    x = 10,254.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.