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Finding the Fourth Proportional to 11,813.95, 16,312.76 and 8,045.02

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Solution

The fourth proportional to 11,813.95, 16,312.76 and 8,045.02 is: 11,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.95 : 16,312.76 = 8,045.02 : x
  2. Step 2: Convert to fraction form
    11,813.95/16,312.76 = 8,045.02/x
  3. Step 3: Cross multiply
    11,813.95x = 16,312.76 × 8,045.02
  4. Step 4: Simplify right side
    11,813.95x = 131,236,480.46
  5. Step 5: Solve for x
    x = 131,236,480.46/11,813.95
  6. Step 6: Final answer
    x = 11,108.60

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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.