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Finding the Fourth Proportional to 18,032.08, 27,051.96 and 7,643.60

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Solution

The fourth proportional to 18,032.08, 27,051.96 and 7,643.60 is: 11,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.08 : 27,051.96 = 7,643.60 : x
  2. Step 2: Convert to fraction form
    18,032.08/27,051.96 = 7,643.60/x
  3. Step 3: Cross multiply
    18,032.08x = 27,051.96 × 7,643.60
  4. Step 4: Simplify right side
    18,032.08x = 206,774,361.46
  5. Step 5: Solve for x
    x = 206,774,361.46/18,032.08
  6. Step 6: Final answer
    x = 11,467.03

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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.