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Finding the Fourth Proportional to 16,123.60, 22,232.60 and 10,450.90

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Solution

The fourth proportional to 16,123.60, 22,232.60 and 10,450.90 is: 14,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.60 : 22,232.60 = 10,450.90 : x
  2. Step 2: Convert to fraction form
    16,123.60/22,232.60 = 10,450.90/x
  3. Step 3: Cross multiply
    16,123.60x = 22,232.60 × 10,450.90
  4. Step 4: Simplify right side
    16,123.60x = 232,350,679.34
  5. Step 5: Solve for x
    x = 232,350,679.34/16,123.60
  6. Step 6: Final answer
    x = 14,410.60

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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.