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Finding the Fourth Proportional to 24,602.20, 36,906.90 and 12,916.30

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Solution

The fourth proportional to 24,602.20, 36,906.90 and 12,916.30 is: 19,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,602.20 : 36,906.90 = 12,916.30 : x
  2. Step 2: Convert to fraction form
    24,602.20/36,906.90 = 12,916.30/x
  3. Step 3: Cross multiply
    24,602.20x = 36,906.90 × 12,916.30
  4. Step 4: Simplify right side
    24,602.20x = 476,700,592.47
  5. Step 5: Solve for x
    x = 476,700,592.47/24,602.20
  6. Step 6: Final answer
    x = 19,376.34

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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.