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Finding the Fourth Proportional to 15,879.08, 23,813.06 and 6,516.44

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Solution

The fourth proportional to 15,879.08, 23,813.06 and 6,516.44 is: 9,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.08 : 23,813.06 = 6,516.44 : x
  2. Step 2: Convert to fraction form
    15,879.08/23,813.06 = 6,516.44/x
  3. Step 3: Cross multiply
    15,879.08x = 23,813.06 × 6,516.44
  4. Step 4: Simplify right side
    15,879.08x = 155,176,376.71
  5. Step 5: Solve for x
    x = 155,176,376.71/15,879.08
  6. Step 6: Final answer
    x = 9,772.38

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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.