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Finding the Fourth Proportional to 29,675.24, 40,953.80 and 17,100.80

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Solution

The fourth proportional to 29,675.24, 40,953.80 and 17,100.80 is: 23,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,675.24 : 40,953.80 = 17,100.80 : x
  2. Step 2: Convert to fraction form
    29,675.24/40,953.80 = 17,100.80/x
  3. Step 3: Cross multiply
    29,675.24x = 40,953.80 × 17,100.80
  4. Step 4: Simplify right side
    29,675.24x = 700,342,743.04
  5. Step 5: Solve for x
    x = 700,342,743.04/29,675.24
  6. Step 6: Final answer
    x = 23,600.24

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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.