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Finding the Fourth Proportional to 14,885.10, 22,311.18 and 8,307.90

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Solution

The fourth proportional to 14,885.10, 22,311.18 and 8,307.90 is: 12,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.10 : 22,311.18 = 8,307.90 : x
  2. Step 2: Convert to fraction form
    14,885.10/22,311.18 = 8,307.90/x
  3. Step 3: Cross multiply
    14,885.10x = 22,311.18 × 8,307.90
  4. Step 4: Simplify right side
    14,885.10x = 185,359,052.32
  5. Step 5: Solve for x
    x = 185,359,052.32/14,885.10
  6. Step 6: Final answer
    x = 12,452.66

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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.