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Finding the Fourth Proportional to 14,594.28, 20,141.22 and 8,306.28

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Solution

The fourth proportional to 14,594.28, 20,141.22 and 8,306.28 is: 11,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.28 : 20,141.22 = 8,306.28 : x
  2. Step 2: Convert to fraction form
    14,594.28/20,141.22 = 8,306.28/x
  3. Step 3: Cross multiply
    14,594.28x = 20,141.22 × 8,306.28
  4. Step 4: Simplify right side
    14,594.28x = 167,298,612.86
  5. Step 5: Solve for x
    x = 167,298,612.86/14,594.28
  6. Step 6: Final answer
    x = 11,463.30

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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.