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Finding the Fourth Proportional to 19,369.10, 29,053.04 and 5,518.10

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Solution

The fourth proportional to 19,369.10, 29,053.04 and 5,518.10 is: 8,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.10 : 29,053.04 = 5,518.10 : x
  2. Step 2: Convert to fraction form
    19,369.10/29,053.04 = 5,518.10/x
  3. Step 3: Cross multiply
    19,369.10x = 29,053.04 × 5,518.10
  4. Step 4: Simplify right side
    19,369.10x = 160,317,580.02
  5. Step 5: Solve for x
    x = 160,317,580.02/19,369.10
  6. Step 6: Final answer
    x = 8,276.98

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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.