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Finding the Fourth Proportional to 36,412.40, 51,115.60 and 36,412.40

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Solution

The fourth proportional to 36,412.40, 51,115.60 and 36,412.40 is: 51,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.40 : 51,115.60 = 36,412.40 : x
  2. Step 2: Convert to fraction form
    36,412.40/51,115.60 = 36,412.40/x
  3. Step 3: Cross multiply
    36,412.40x = 51,115.60 × 36,412.40
  4. Step 4: Simplify right side
    36,412.40x = 1,861,241,673.44
  5. Step 5: Solve for x
    x = 1,861,241,673.44/36,412.40
  6. Step 6: Final answer
    x = 51,115.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.