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Finding the Fourth Proportional to 14,106.76, 19,468 and 7,819.14

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Solution

The fourth proportional to 14,106.76, 19,468 and 7,819.14 is: 10,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.76 : 19,468 = 7,819.14 : x
  2. Step 2: Convert to fraction form
    14,106.76/19,468 = 7,819.14/x
  3. Step 3: Cross multiply
    14,106.76x = 19,468 × 7,819.14
  4. Step 4: Simplify right side
    14,106.76x = 152,223,017.52
  5. Step 5: Solve for x
    x = 152,223,017.52/14,106.76
  6. Step 6: Final answer
    x = 10,790.79

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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.