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Finding the Fourth Proportional to 62,755.80, 86,559.30 and 53,258.96

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Solution

The fourth proportional to 62,755.80, 86,559.30 and 53,258.96 is: 73,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,755.80 : 86,559.30 = 53,258.96 : x
  2. Step 2: Convert to fraction form
    62,755.80/86,559.30 = 53,258.96/x
  3. Step 3: Cross multiply
    62,755.80x = 86,559.30 × 53,258.96
  4. Step 4: Simplify right side
    62,755.80x = 4,610,058,296.33
  5. Step 5: Solve for x
    x = 4,610,058,296.33/62,755.80
  6. Step 6: Final answer
    x = 73,460.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.