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Finding the Fourth Proportional to 57,559.80, 86,310.12 and 26,368.32

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Solution

The fourth proportional to 57,559.80, 86,310.12 and 26,368.32 is: 39,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,559.80 : 86,310.12 = 26,368.32 : x
  2. Step 2: Convert to fraction form
    57,559.80/86,310.12 = 26,368.32/x
  3. Step 3: Cross multiply
    57,559.80x = 86,310.12 × 26,368.32
  4. Step 4: Simplify right side
    57,559.80x = 2,275,852,863.40
  5. Step 5: Solve for x
    x = 2,275,852,863.40/57,559.80
  6. Step 6: Final answer
    x = 39,538.93

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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.