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Finding the Fourth Proportional to 15,467.00, 21,344.47 and 8,393.42

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Solution

The fourth proportional to 15,467.00, 21,344.47 and 8,393.42 is: 11,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.00 : 21,344.47 = 8,393.42 : x
  2. Step 2: Convert to fraction form
    15,467.00/21,344.47 = 8,393.42/x
  3. Step 3: Cross multiply
    15,467.00x = 21,344.47 × 8,393.42
  4. Step 4: Simplify right side
    15,467.00x = 179,153,192.78
  5. Step 5: Solve for x
    x = 179,153,192.78/15,467.00
  6. Step 6: Final answer
    x = 11,582.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.