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Finding the Fourth Proportional to 18,009.60, 24,852.60 and 11,298.84

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Solution

The fourth proportional to 18,009.60, 24,852.60 and 11,298.84 is: 15,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.60 : 24,852.60 = 11,298.84 : x
  2. Step 2: Convert to fraction form
    18,009.60/24,852.60 = 11,298.84/x
  3. Step 3: Cross multiply
    18,009.60x = 24,852.60 × 11,298.84
  4. Step 4: Simplify right side
    18,009.60x = 280,805,550.98
  5. Step 5: Solve for x
    x = 280,805,550.98/18,009.60
  6. Step 6: Final answer
    x = 15,591.99

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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.