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Finding the Fourth Proportional to 57,661.40, 86,461.32 and 17,673.32

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Solution

The fourth proportional to 57,661.40, 86,461.32 and 17,673.32 is: 26,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.40 : 86,461.32 = 17,673.32 : x
  2. Step 2: Convert to fraction form
    57,661.40/86,461.32 = 17,673.32/x
  3. Step 3: Cross multiply
    57,661.40x = 86,461.32 × 17,673.32
  4. Step 4: Simplify right side
    57,661.40x = 1,528,058,575.98
  5. Step 5: Solve for x
    x = 1,528,058,575.98/57,661.40
  6. Step 6: Final answer
    x = 26,500.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.