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Finding the Fourth Proportional to 29,368.92, 40,530.24 and 16,793.64

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Solution

The fourth proportional to 29,368.92, 40,530.24 and 16,793.64 is: 23,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.92 : 40,530.24 = 16,793.64 : x
  2. Step 2: Convert to fraction form
    29,368.92/40,530.24 = 16,793.64/x
  3. Step 3: Cross multiply
    29,368.92x = 40,530.24 × 16,793.64
  4. Step 4: Simplify right side
    29,368.92x = 680,650,259.67
  5. Step 5: Solve for x
    x = 680,650,259.67/29,368.92
  6. Step 6: Final answer
    x = 23,175.87

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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.