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Finding the Fourth Proportional to 40,205.80, 60,312.30 and 16,827.40

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Solution

The fourth proportional to 40,205.80, 60,312.30 and 16,827.40 is: 25,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.80 : 60,312.30 = 16,827.40 : x
  2. Step 2: Convert to fraction form
    40,205.80/60,312.30 = 16,827.40/x
  3. Step 3: Cross multiply
    40,205.80x = 60,312.30 × 16,827.40
  4. Step 4: Simplify right side
    40,205.80x = 1,014,899,197.02
  5. Step 5: Solve for x
    x = 1,014,899,197.02/40,205.80
  6. Step 6: Final answer
    x = 25,242.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.