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Finding the Fourth Proportional to 29,196.98, 40,290.99 and 17,260.28

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Solution

The fourth proportional to 29,196.98, 40,290.99 and 17,260.28 is: 23,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.98 : 40,290.99 = 17,260.28 : x
  2. Step 2: Convert to fraction form
    29,196.98/40,290.99 = 17,260.28/x
  3. Step 3: Cross multiply
    29,196.98x = 40,290.99 × 17,260.28
  4. Step 4: Simplify right side
    29,196.98x = 695,433,768.88
  5. Step 5: Solve for x
    x = 695,433,768.88/29,196.98
  6. Step 6: Final answer
    x = 23,818.69

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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.