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Finding the Fourth Proportional to 15,888.18, 23,807.97 and 8,493.69

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Solution

The fourth proportional to 15,888.18, 23,807.97 and 8,493.69 is: 12,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.18 : 23,807.97 = 8,493.69 : x
  2. Step 2: Convert to fraction form
    15,888.18/23,807.97 = 8,493.69/x
  3. Step 3: Cross multiply
    15,888.18x = 23,807.97 × 8,493.69
  4. Step 4: Simplify right side
    15,888.18x = 202,217,516.71
  5. Step 5: Solve for x
    x = 202,217,516.71/15,888.18
  6. Step 6: Final answer
    x = 12,727.54

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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.