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Finding the Fourth Proportional to 18,388.64, 27,573.44 and 9,024.48

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Solution

The fourth proportional to 18,388.64, 27,573.44 and 9,024.48 is: 13,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388.64 : 27,573.44 = 9,024.48 : x
  2. Step 2: Convert to fraction form
    18,388.64/27,573.44 = 9,024.48/x
  3. Step 3: Cross multiply
    18,388.64x = 27,573.44 × 9,024.48
  4. Step 4: Simplify right side
    18,388.64x = 248,835,957.81
  5. Step 5: Solve for x
    x = 248,835,957.81/18,388.64
  6. Step 6: Final answer
    x = 13,532.05

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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.