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Finding the Fourth Proportional to 16,312.13, 22,510.76 and 8,860.13

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Solution

The fourth proportional to 16,312.13, 22,510.76 and 8,860.13 is: 12,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.13 : 22,510.76 = 8,860.13 : x
  2. Step 2: Convert to fraction form
    16,312.13/22,510.76 = 8,860.13/x
  3. Step 3: Cross multiply
    16,312.13x = 22,510.76 × 8,860.13
  4. Step 4: Simplify right side
    16,312.13x = 199,448,103.14
  5. Step 5: Solve for x
    x = 199,448,103.14/16,312.13
  6. Step 6: Final answer
    x = 12,226.98

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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.