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Finding the Fourth Proportional to 30,687.52, 46,023.80 and 8,500.32

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Solution

The fourth proportional to 30,687.52, 46,023.80 and 8,500.32 is: 12,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,687.52 : 46,023.80 = 8,500.32 : x
  2. Step 2: Convert to fraction form
    30,687.52/46,023.80 = 8,500.32/x
  3. Step 3: Cross multiply
    30,687.52x = 46,023.80 × 8,500.32
  4. Step 4: Simplify right side
    30,687.52x = 391,217,027.62
  5. Step 5: Solve for x
    x = 391,217,027.62/30,687.52
  6. Step 6: Final answer
    x = 12,748.41

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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.