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Finding the Fourth Proportional to 10,646.60, 16,023 and 8,027.60

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Solution

The fourth proportional to 10,646.60, 16,023 and 8,027.60 is: 12,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.60 : 16,023 = 8,027.60 : x
  2. Step 2: Convert to fraction form
    10,646.60/16,023 = 8,027.60/x
  3. Step 3: Cross multiply
    10,646.60x = 16,023 × 8,027.60
  4. Step 4: Simplify right side
    10,646.60x = 128,626,234.80
  5. Step 5: Solve for x
    x = 128,626,234.80/10,646.60
  6. Step 6: Final answer
    x = 12,081.44

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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.