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Finding the Fourth Proportional to 14,340.56, 19,787.88 and 8,052.56

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Solution

The fourth proportional to 14,340.56, 19,787.88 and 8,052.56 is: 11,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.56 : 19,787.88 = 8,052.56 : x
  2. Step 2: Convert to fraction form
    14,340.56/19,787.88 = 8,052.56/x
  3. Step 3: Cross multiply
    14,340.56x = 19,787.88 × 8,052.56
  4. Step 4: Simplify right side
    14,340.56x = 159,343,090.97
  5. Step 5: Solve for x
    x = 159,343,090.97/14,340.56
  6. Step 6: Final answer
    x = 11,111.36

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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.