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Finding the Fourth Proportional to 29,172.99, 40,174.02 and 25,342.89

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Solution

The fourth proportional to 29,172.99, 40,174.02 and 25,342.89 is: 34,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.99 : 40,174.02 = 25,342.89 : x
  2. Step 2: Convert to fraction form
    29,172.99/40,174.02 = 25,342.89/x
  3. Step 3: Cross multiply
    29,172.99x = 40,174.02 × 25,342.89
  4. Step 4: Simplify right side
    29,172.99x = 1,018,125,833.08
  5. Step 5: Solve for x
    x = 1,018,125,833.08/29,172.99
  6. Step 6: Final answer
    x = 34,899.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.