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Finding the Fourth Proportional to 14,494.60, 20,002.50 and 8,207.08

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Solution

The fourth proportional to 14,494.60, 20,002.50 and 8,207.08 is: 11,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.60 : 20,002.50 = 8,207.08 : x
  2. Step 2: Convert to fraction form
    14,494.60/20,002.50 = 8,207.08/x
  3. Step 3: Cross multiply
    14,494.60x = 20,002.50 × 8,207.08
  4. Step 4: Simplify right side
    14,494.60x = 164,162,117.70
  5. Step 5: Solve for x
    x = 164,162,117.70/14,494.60
  6. Step 6: Final answer
    x = 11,325.74

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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.