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Finding the Fourth Proportional to 16,408.78, 24,612.90 and 10,602.70

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Solution

The fourth proportional to 16,408.78, 24,612.90 and 10,602.70 is: 15,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,408.78 : 24,612.90 = 10,602.70 : x
  2. Step 2: Convert to fraction form
    16,408.78/24,612.90 = 10,602.70/x
  3. Step 3: Cross multiply
    16,408.78x = 24,612.90 × 10,602.70
  4. Step 4: Simplify right side
    16,408.78x = 260,963,194.83
  5. Step 5: Solve for x
    x = 260,963,194.83/16,408.78
  6. Step 6: Final answer
    x = 15,903.88

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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.