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Finding the Fourth Proportional to 22,916.30, 34,374.45 and 20,410.70

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Solution

The fourth proportional to 22,916.30, 34,374.45 and 20,410.70 is: 30,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,916.30 : 34,374.45 = 20,410.70 : x
  2. Step 2: Convert to fraction form
    22,916.30/34,374.45 = 20,410.70/x
  3. Step 3: Cross multiply
    22,916.30x = 34,374.45 × 20,410.70
  4. Step 4: Simplify right side
    22,916.30x = 701,606,586.62
  5. Step 5: Solve for x
    x = 701,606,586.62/22,916.30
  6. Step 6: Final answer
    x = 30,616.05

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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.