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Finding the Fourth Proportional to 29,043.90, 43,564.95 and 8,267.40

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Solution

The fourth proportional to 29,043.90, 43,564.95 and 8,267.40 is: 12,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.90 : 43,564.95 = 8,267.40 : x
  2. Step 2: Convert to fraction form
    29,043.90/43,564.95 = 8,267.40/x
  3. Step 3: Cross multiply
    29,043.90x = 43,564.95 × 8,267.40
  4. Step 4: Simplify right side
    29,043.90x = 360,168,867.63
  5. Step 5: Solve for x
    x = 360,168,867.63/29,043.90
  6. Step 6: Final answer
    x = 12,400.84

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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.