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Finding the Fourth Proportional to 29,041.60, 43,562.40 and 11,511.40

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Solution

The fourth proportional to 29,041.60, 43,562.40 and 11,511.40 is: 17,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.60 : 43,562.40 = 11,511.40 : x
  2. Step 2: Convert to fraction form
    29,041.60/43,562.40 = 11,511.40/x
  3. Step 3: Cross multiply
    29,041.60x = 43,562.40 × 11,511.40
  4. Step 4: Simplify right side
    29,041.60x = 501,464,211.36
  5. Step 5: Solve for x
    x = 501,464,211.36/29,041.60
  6. Step 6: Final answer
    x = 17,267.10

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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.