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Finding the Fourth Proportional to 29,042.76, 43,564.16 and 8,266.26

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Solution

The fourth proportional to 29,042.76, 43,564.16 and 8,266.26 is: 12,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042.76 : 43,564.16 = 8,266.26 : x
  2. Step 2: Convert to fraction form
    29,042.76/43,564.16 = 8,266.26/x
  3. Step 3: Cross multiply
    29,042.76x = 43,564.16 × 8,266.26
  4. Step 4: Simplify right side
    29,042.76x = 360,112,673.24
  5. Step 5: Solve for x
    x = 360,112,673.24/29,042.76
  6. Step 6: Final answer
    x = 12,399.40

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1.5x scale

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.