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Finding the Fourth Proportional to 14,339.70, 19,788.03 and 8,051.94

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Solution

The fourth proportional to 14,339.70, 19,788.03 and 8,051.94 is: 11,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.70 : 19,788.03 = 8,051.94 : x
  2. Step 2: Convert to fraction form
    14,339.70/19,788.03 = 8,051.94/x
  3. Step 3: Cross multiply
    14,339.70x = 19,788.03 × 8,051.94
  4. Step 4: Simplify right side
    14,339.70x = 159,332,030.28
  5. Step 5: Solve for x
    x = 159,332,030.28/14,339.70
  6. Step 6: Final answer
    x = 11,111.25

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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.