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Finding the Fourth Proportional to 14,368.53, 19,827.81 and 8,080.50

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Solution

The fourth proportional to 14,368.53, 19,827.81 and 8,080.50 is: 11,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.53 : 19,827.81 = 8,080.50 : x
  2. Step 2: Convert to fraction form
    14,368.53/19,827.81 = 8,080.50/x
  3. Step 3: Cross multiply
    14,368.53x = 19,827.81 × 8,080.50
  4. Step 4: Simplify right side
    14,368.53x = 160,218,618.71
  5. Step 5: Solve for x
    x = 160,218,618.71/14,368.53
  6. Step 6: Final answer
    x = 11,150.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.