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Finding the Fourth Proportional to 14,682.40, 22,007.40 and 8,113.30

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Solution

The fourth proportional to 14,682.40, 22,007.40 and 8,113.30 is: 12,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.40 : 22,007.40 = 8,113.30 : x
  2. Step 2: Convert to fraction form
    14,682.40/22,007.40 = 8,113.30/x
  3. Step 3: Cross multiply
    14,682.40x = 22,007.40 × 8,113.30
  4. Step 4: Simplify right side
    14,682.40x = 178,552,638.42
  5. Step 5: Solve for x
    x = 178,552,638.42/14,682.40
  6. Step 6: Final answer
    x = 12,161.00

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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.