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Finding the Fourth Proportional to 65,028.80, 97,548.60 and 25,587.20

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Solution

The fourth proportional to 65,028.80, 97,548.60 and 25,587.20 is: 38,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,028.80 : 97,548.60 = 25,587.20 : x
  2. Step 2: Convert to fraction form
    65,028.80/97,548.60 = 25,587.20/x
  3. Step 3: Cross multiply
    65,028.80x = 97,548.60 × 25,587.20
  4. Step 4: Simplify right side
    65,028.80x = 2,495,995,537.92
  5. Step 5: Solve for x
    x = 2,495,995,537.92/65,028.80
  6. Step 6: Final answer
    x = 38,382.92

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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.