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Finding the Fourth Proportional to 15,673.51, 23,514.32 and 5,815.60

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Solution

The fourth proportional to 15,673.51, 23,514.32 and 5,815.60 is: 8,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.51 : 23,514.32 = 5,815.60 : x
  2. Step 2: Convert to fraction form
    15,673.51/23,514.32 = 5,815.60/x
  3. Step 3: Cross multiply
    15,673.51x = 23,514.32 × 5,815.60
  4. Step 4: Simplify right side
    15,673.51x = 136,749,850.31
  5. Step 5: Solve for x
    x = 136,749,850.31/15,673.51
  6. Step 6: Final answer
    x = 8,724.90

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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.