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Finding the Fourth Proportional to 29,010.78, 43,516.79 and 9,289.29

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Solution

The fourth proportional to 29,010.78, 43,516.79 and 9,289.29 is: 13,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,010.78 : 43,516.79 = 9,289.29 : x
  2. Step 2: Convert to fraction form
    29,010.78/43,516.79 = 9,289.29/x
  3. Step 3: Cross multiply
    29,010.78x = 43,516.79 × 9,289.29
  4. Step 4: Simplify right side
    29,010.78x = 404,240,082.18
  5. Step 5: Solve for x
    x = 404,240,082.18/29,010.78
  6. Step 6: Final answer
    x = 13,934.13

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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.