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Finding the Fourth Proportional to 16,416.78, 24,625.62 and 5,887.49

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Solution

The fourth proportional to 16,416.78, 24,625.62 and 5,887.49 is: 8,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,416.78 : 24,625.62 = 5,887.49 : x
  2. Step 2: Convert to fraction form
    16,416.78/24,625.62 = 5,887.49/x
  3. Step 3: Cross multiply
    16,416.78x = 24,625.62 × 5,887.49
  4. Step 4: Simplify right side
    16,416.78x = 144,982,968.37
  5. Step 5: Solve for x
    x = 144,982,968.37/16,416.78
  6. Step 6: Final answer
    x = 8,831.39

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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.