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Finding the Fourth Proportional to 14,980.80, 22,464.72 and 11,520.48

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Solution

The fourth proportional to 14,980.80, 22,464.72 and 11,520.48 is: 17,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.80 : 22,464.72 = 11,520.48 : x
  2. Step 2: Convert to fraction form
    14,980.80/22,464.72 = 11,520.48/x
  3. Step 3: Cross multiply
    14,980.80x = 22,464.72 × 11,520.48
  4. Step 4: Simplify right side
    14,980.80x = 258,804,357.47
  5. Step 5: Solve for x
    x = 258,804,357.47/14,980.80
  6. Step 6: Final answer
    x = 17,275.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.