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Finding the Fourth Proportional to 19,213.03, 28,815.90 and 6,064.30

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Solution

The fourth proportional to 19,213.03, 28,815.90 and 6,064.30 is: 9,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.03 : 28,815.90 = 6,064.30 : x
  2. Step 2: Convert to fraction form
    19,213.03/28,815.90 = 6,064.30/x
  3. Step 3: Cross multiply
    19,213.03x = 28,815.90 × 6,064.30
  4. Step 4: Simplify right side
    19,213.03x = 174,748,262.37
  5. Step 5: Solve for x
    x = 174,748,262.37/19,213.03
  6. Step 6: Final answer
    x = 9,095.30

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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.