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Finding the Fourth Proportional to 8,624.76, 12,930.09 and 4,465.95

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Solution

The fourth proportional to 8,624.76, 12,930.09 and 4,465.95 is: 6,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.76 : 12,930.09 = 4,465.95 : x
  2. Step 2: Convert to fraction form
    8,624.76/12,930.09 = 4,465.95/x
  3. Step 3: Cross multiply
    8,624.76x = 12,930.09 × 4,465.95
  4. Step 4: Simplify right side
    8,624.76x = 57,745,135.44
  5. Step 5: Solve for x
    x = 57,745,135.44/8,624.76
  6. Step 6: Final answer
    x = 6,695.27

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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.