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Finding the Fourth Proportional to 57,702.81, 86,563.94 and 26,537.25

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Solution

The fourth proportional to 57,702.81, 86,563.94 and 26,537.25 is: 39,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.81 : 86,563.94 = 26,537.25 : x
  2. Step 2: Convert to fraction form
    57,702.81/86,563.94 = 26,537.25/x
  3. Step 3: Cross multiply
    57,702.81x = 86,563.94 × 26,537.25
  4. Step 4: Simplify right side
    57,702.81x = 2,297,168,784.08
  5. Step 5: Solve for x
    x = 2,297,168,784.08/57,702.81
  6. Step 6: Final answer
    x = 39,810.35

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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.