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Finding the Fourth Proportional to 53,117.80, 79,676.70 and 44,564.20

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Solution

The fourth proportional to 53,117.80, 79,676.70 and 44,564.20 is: 66,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.80 : 79,676.70 = 44,564.20 : x
  2. Step 2: Convert to fraction form
    53,117.80/79,676.70 = 44,564.20/x
  3. Step 3: Cross multiply
    53,117.80x = 79,676.70 × 44,564.20
  4. Step 4: Simplify right side
    53,117.80x = 3,550,728,394.14
  5. Step 5: Solve for x
    x = 3,550,728,394.14/53,117.80
  6. Step 6: Final answer
    x = 66,846.30

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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.