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Finding the Fourth Proportional to 14,892.10, 22,330.95 and 8,311.30

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Solution

The fourth proportional to 14,892.10, 22,330.95 and 8,311.30 is: 12,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.10 : 22,330.95 = 8,311.30 : x
  2. Step 2: Convert to fraction form
    14,892.10/22,330.95 = 8,311.30/x
  3. Step 3: Cross multiply
    14,892.10x = 22,330.95 × 8,311.30
  4. Step 4: Simplify right side
    14,892.10x = 185,599,224.74
  5. Step 5: Solve for x
    x = 185,599,224.74/14,892.10
  6. Step 6: Final answer
    x = 12,462.93

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1.5x scale

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.