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Finding the Fourth Proportional to 43,404.40, 65,009.40 and 33,511.60

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Solution

The fourth proportional to 43,404.40, 65,009.40 and 33,511.60 is: 50,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.40 : 65,009.40 = 33,511.60 : x
  2. Step 2: Convert to fraction form
    43,404.40/65,009.40 = 33,511.60/x
  3. Step 3: Cross multiply
    43,404.40x = 65,009.40 × 33,511.60
  4. Step 4: Simplify right side
    43,404.40x = 2,178,569,009.04
  5. Step 5: Solve for x
    x = 2,178,569,009.04/43,404.40
  6. Step 6: Final answer
    x = 50,192.35

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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.