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Finding the Fourth Proportional to 19,296.92, 28,928.73 and 7,459.00

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Solution

The fourth proportional to 19,296.92, 28,928.73 and 7,459.00 is: 11,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.92 : 28,928.73 = 7,459.00 : x
  2. Step 2: Convert to fraction form
    19,296.92/28,928.73 = 7,459.00/x
  3. Step 3: Cross multiply
    19,296.92x = 28,928.73 × 7,459.00
  4. Step 4: Simplify right side
    19,296.92x = 215,779,324.75
  5. Step 5: Solve for x
    x = 215,779,324.75/19,296.92
  6. Step 6: Final answer
    x = 11,182.06

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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.