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Finding the Fourth Proportional to 14,968.08, 20,655.54 and 8,253.58

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Solution

The fourth proportional to 14,968.08, 20,655.54 and 8,253.58 is: 11,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.08 : 20,655.54 = 8,253.58 : x
  2. Step 2: Convert to fraction form
    14,968.08/20,655.54 = 8,253.58/x
  3. Step 3: Cross multiply
    14,968.08x = 20,655.54 × 8,253.58
  4. Step 4: Simplify right side
    14,968.08x = 170,482,151.83
  5. Step 5: Solve for x
    x = 170,482,151.83/14,968.08
  6. Step 6: Final answer
    x = 11,389.71

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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.