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Finding the Fourth Proportional to 12,441.60, 18,662.40 and 6,595.20

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Solution

The fourth proportional to 12,441.60, 18,662.40 and 6,595.20 is: 9,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.60 : 18,662.40 = 6,595.20 : x
  2. Step 2: Convert to fraction form
    12,441.60/18,662.40 = 6,595.20/x
  3. Step 3: Cross multiply
    12,441.60x = 18,662.40 × 6,595.20
  4. Step 4: Simplify right side
    12,441.60x = 123,082,260.48
  5. Step 5: Solve for x
    x = 123,082,260.48/12,441.60
  6. Step 6: Final answer
    x = 9,892.80

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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.