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Finding the Fourth Proportional to 43,513.20, 65,269.80 and 37,810.80

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Solution

The fourth proportional to 43,513.20, 65,269.80 and 37,810.80 is: 56,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,513.20 : 65,269.80 = 37,810.80 : x
  2. Step 2: Convert to fraction form
    43,513.20/65,269.80 = 37,810.80/x
  3. Step 3: Cross multiply
    43,513.20x = 65,269.80 × 37,810.80
  4. Step 4: Simplify right side
    43,513.20x = 2,467,903,353.84
  5. Step 5: Solve for x
    x = 2,467,903,353.84/43,513.20
  6. Step 6: Final answer
    x = 56,716.20

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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.