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Finding the Fourth Proportional to 18,444.36, 27,687.08 and 9,557.36

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Solution

The fourth proportional to 18,444.36, 27,687.08 and 9,557.36 is: 14,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.36 : 27,687.08 = 9,557.36 : x
  2. Step 2: Convert to fraction form
    18,444.36/27,687.08 = 9,557.36/x
  3. Step 3: Cross multiply
    18,444.36x = 27,687.08 × 9,557.36
  4. Step 4: Simplify right side
    18,444.36x = 264,615,390.91
  5. Step 5: Solve for x
    x = 264,615,390.91/18,444.36
  6. Step 6: Final answer
    x = 14,346.68

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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.