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Finding the Fourth Proportional to 65,543.04, 98,447.04 and 39,297.60

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Solution

The fourth proportional to 65,543.04, 98,447.04 and 39,297.60 is: 59,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,543.04 : 98,447.04 = 39,297.60 : x
  2. Step 2: Convert to fraction form
    65,543.04/98,447.04 = 39,297.60/x
  3. Step 3: Cross multiply
    65,543.04x = 98,447.04 × 39,297.60
  4. Step 4: Simplify right side
    65,543.04x = 3,868,732,399.10
  5. Step 5: Solve for x
    x = 3,868,732,399.10/65,543.04
  6. Step 6: Final answer
    x = 59,025.83

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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.