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Finding the Fourth Proportional to 43,362.40, 64,946.40 and 35,586.40

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Solution

The fourth proportional to 43,362.40, 64,946.40 and 35,586.40 is: 53,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,362.40 : 64,946.40 = 35,586.40 : x
  2. Step 2: Convert to fraction form
    43,362.40/64,946.40 = 35,586.40/x
  3. Step 3: Cross multiply
    43,362.40x = 64,946.40 × 35,586.40
  4. Step 4: Simplify right side
    43,362.40x = 2,311,208,568.96
  5. Step 5: Solve for x
    x = 2,311,208,568.96/43,362.40
  6. Step 6: Final answer
    x = 53,299.83

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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.