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Finding the Fourth Proportional to 15,735.70, 23,601.65 and 8,622.01

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Solution

The fourth proportional to 15,735.70, 23,601.65 and 8,622.01 is: 12,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.70 : 23,601.65 = 8,622.01 : x
  2. Step 2: Convert to fraction form
    15,735.70/23,601.65 = 8,622.01/x
  3. Step 3: Cross multiply
    15,735.70x = 23,601.65 × 8,622.01
  4. Step 4: Simplify right side
    15,735.70x = 203,493,544.31
  5. Step 5: Solve for x
    x = 203,493,544.31/15,735.70
  6. Step 6: Final answer
    x = 12,931.97

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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.