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Finding the Fourth Proportional to 18,587.68, 25,650.04 and 11,034.32

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Solution

The fourth proportional to 18,587.68, 25,650.04 and 11,034.32 is: 15,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.68 : 25,650.04 = 11,034.32 : x
  2. Step 2: Convert to fraction form
    18,587.68/25,650.04 = 11,034.32/x
  3. Step 3: Cross multiply
    18,587.68x = 25,650.04 × 11,034.32
  4. Step 4: Simplify right side
    18,587.68x = 283,030,749.37
  5. Step 5: Solve for x
    x = 283,030,749.37/18,587.68
  6. Step 6: Final answer
    x = 15,226.79

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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.