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Finding the Fourth Proportional to 12,083.08, 16,666.98 and 8,730.82

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Solution

The fourth proportional to 12,083.08, 16,666.98 and 8,730.82 is: 12,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.08 : 16,666.98 = 8,730.82 : x
  2. Step 2: Convert to fraction form
    12,083.08/16,666.98 = 8,730.82/x
  3. Step 3: Cross multiply
    12,083.08x = 16,666.98 × 8,730.82
  4. Step 4: Simplify right side
    12,083.08x = 145,516,402.32
  5. Step 5: Solve for x
    x = 145,516,402.32/12,083.08
  6. Step 6: Final answer
    x = 12,042.99

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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.