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Finding the Fourth Proportional to 14,862.65, 20,510.67 and 8,894.57

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Solution

The fourth proportional to 14,862.65, 20,510.67 and 8,894.57 is: 12,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.65 : 20,510.67 = 8,894.57 : x
  2. Step 2: Convert to fraction form
    14,862.65/20,510.67 = 8,894.57/x
  3. Step 3: Cross multiply
    14,862.65x = 20,510.67 × 8,894.57
  4. Step 4: Simplify right side
    14,862.65x = 182,433,590.06
  5. Step 5: Solve for x
    x = 182,433,590.06/14,862.65
  6. Step 6: Final answer
    x = 12,274.63

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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.