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Finding the Fourth Proportional to 19,051.00, 28,566.78 and 7,954.71

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Solution

The fourth proportional to 19,051.00, 28,566.78 and 7,954.71 is: 11,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.00 : 28,566.78 = 7,954.71 : x
  2. Step 2: Convert to fraction form
    19,051.00/28,566.78 = 7,954.71/x
  3. Step 3: Cross multiply
    19,051.00x = 28,566.78 × 7,954.71
  4. Step 4: Simplify right side
    19,051.00x = 227,240,313.58
  5. Step 5: Solve for x
    x = 227,240,313.58/19,051.00
  6. Step 6: Final answer
    x = 11,928.00

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Why These Related Problems?

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