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Finding the Fourth Proportional to 16,318.77, 24,477.08 and 9,724.29

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Solution

The fourth proportional to 16,318.77, 24,477.08 and 9,724.29 is: 14,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.77 : 24,477.08 = 9,724.29 : x
  2. Step 2: Convert to fraction form
    16,318.77/24,477.08 = 9,724.29/x
  3. Step 3: Cross multiply
    16,318.77x = 24,477.08 × 9,724.29
  4. Step 4: Simplify right side
    16,318.77x = 238,022,175.65
  5. Step 5: Solve for x
    x = 238,022,175.65/16,318.77
  6. Step 6: Final answer
    x = 14,585.79

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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.