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Finding the Fourth Proportional to 29,503.26, 40,695.90 and 17,557.68

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Solution

The fourth proportional to 29,503.26, 40,695.90 and 17,557.68 is: 24,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.26 : 40,695.90 = 17,557.68 : x
  2. Step 2: Convert to fraction form
    29,503.26/40,695.90 = 17,557.68/x
  3. Step 3: Cross multiply
    29,503.26x = 40,695.90 × 17,557.68
  4. Step 4: Simplify right side
    29,503.26x = 714,525,589.51
  5. Step 5: Solve for x
    x = 714,525,589.51/29,503.26
  6. Step 6: Final answer
    x = 24,218.53

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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.