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Finding the Fourth Proportional to 29,365.17, 40,506.97 and 18,742.83

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Solution

The fourth proportional to 29,365.17, 40,506.97 and 18,742.83 is: 25,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.17 : 40,506.97 = 18,742.83 : x
  2. Step 2: Convert to fraction form
    29,365.17/40,506.97 = 18,742.83/x
  3. Step 3: Cross multiply
    29,365.17x = 40,506.97 × 18,742.83
  4. Step 4: Simplify right side
    29,365.17x = 759,215,252.53
  5. Step 5: Solve for x
    x = 759,215,252.53/29,365.17
  6. Step 6: Final answer
    x = 25,854.28

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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.