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Finding the Fourth Proportional to 14,862.83, 20,510.15 and 8,148.30

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Solution

The fourth proportional to 14,862.83, 20,510.15 and 8,148.30 is: 11,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.83 : 20,510.15 = 8,148.30 : x
  2. Step 2: Convert to fraction form
    14,862.83/20,510.15 = 8,148.30/x
  3. Step 3: Cross multiply
    14,862.83x = 20,510.15 × 8,148.30
  4. Step 4: Simplify right side
    14,862.83x = 167,122,855.25
  5. Step 5: Solve for x
    x = 167,122,855.25/14,862.83
  6. Step 6: Final answer
    x = 11,244.35

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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.