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Finding the Fourth Proportional to 22,312.85, 30,793.14 and 14,745.90

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Solution

The fourth proportional to 22,312.85, 30,793.14 and 14,745.90 is: 20,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.85 : 30,793.14 = 14,745.90 : x
  2. Step 2: Convert to fraction form
    22,312.85/30,793.14 = 14,745.90/x
  3. Step 3: Cross multiply
    22,312.85x = 30,793.14 × 14,745.90
  4. Step 4: Simplify right side
    22,312.85x = 454,072,563.13
  5. Step 5: Solve for x
    x = 454,072,563.13/22,312.85
  6. Step 6: Final answer
    x = 20,350.28

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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.