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Finding the Fourth Proportional to 40,671, 56,125.40 and 22,766.00

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Solution

The fourth proportional to 40,671, 56,125.40 and 22,766.00 is: 31,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671 : 56,125.40 = 22,766.00 : x
  2. Step 2: Convert to fraction form
    40,671/56,125.40 = 22,766.00/x
  3. Step 3: Cross multiply
    40,671x = 56,125.40 × 22,766.00
  4. Step 4: Simplify right side
    40,671x = 1,277,750,461.94
  5. Step 5: Solve for x
    x = 1,277,750,461.94/40,671
  6. Step 6: Final answer
    x = 31,416.75

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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.