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Finding the Fourth Proportional to 43,359.40, 65,006.70 and 23,660.20

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Solution

The fourth proportional to 43,359.40, 65,006.70 and 23,660.20 is: 35,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,359.40 : 65,006.70 = 23,660.20 : x
  2. Step 2: Convert to fraction form
    43,359.40/65,006.70 = 23,660.20/x
  3. Step 3: Cross multiply
    43,359.40x = 65,006.70 × 23,660.20
  4. Step 4: Simplify right side
    43,359.40x = 1,538,071,523.34
  5. Step 5: Solve for x
    x = 1,538,071,523.34/43,359.40
  6. Step 6: Final answer
    x = 35,472.62

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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.