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Finding the Fourth Proportional to 36,701.60, 55,052.40 and 28,828.40

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Solution

The fourth proportional to 36,701.60, 55,052.40 and 28,828.40 is: 43,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.60 : 55,052.40 = 28,828.40 : x
  2. Step 2: Convert to fraction form
    36,701.60/55,052.40 = 28,828.40/x
  3. Step 3: Cross multiply
    36,701.60x = 55,052.40 × 28,828.40
  4. Step 4: Simplify right side
    36,701.60x = 1,587,072,608.16
  5. Step 5: Solve for x
    x = 1,587,072,608.16/36,701.60
  6. Step 6: Final answer
    x = 43,242.60

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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.