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Finding the Fourth Proportional to 18,473.04, 27,724.14 and 8,607.24

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Solution

The fourth proportional to 18,473.04, 27,724.14 and 8,607.24 is: 12,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.04 : 27,724.14 = 8,607.24 : x
  2. Step 2: Convert to fraction form
    18,473.04/27,724.14 = 8,607.24/x
  3. Step 3: Cross multiply
    18,473.04x = 27,724.14 × 8,607.24
  4. Step 4: Simplify right side
    18,473.04x = 238,628,326.77
  5. Step 5: Solve for x
    x = 238,628,326.77/18,473.04
  6. Step 6: Final answer
    x = 12,917.65

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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.