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Finding the Fourth Proportional to 29,267.99, 40,390.08 and 17,175.71

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Solution

The fourth proportional to 29,267.99, 40,390.08 and 17,175.71 is: 23,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267.99 : 40,390.08 = 17,175.71 : x
  2. Step 2: Convert to fraction form
    29,267.99/40,390.08 = 17,175.71/x
  3. Step 3: Cross multiply
    29,267.99x = 40,390.08 × 17,175.71
  4. Step 4: Simplify right side
    29,267.99x = 693,728,300.96
  5. Step 5: Solve for x
    x = 693,728,300.96/29,267.99
  6. Step 6: Final answer
    x = 23,702.63

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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.