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Finding the Fourth Proportional to 65,406.80, 98,117.40 and 23,862.80

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Solution

The fourth proportional to 65,406.80, 98,117.40 and 23,862.80 is: 35,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406.80 : 98,117.40 = 23,862.80 : x
  2. Step 2: Convert to fraction form
    65,406.80/98,117.40 = 23,862.80/x
  3. Step 3: Cross multiply
    65,406.80x = 98,117.40 × 23,862.80
  4. Step 4: Simplify right side
    65,406.80x = 2,341,355,892.72
  5. Step 5: Solve for x
    x = 2,341,355,892.72/65,406.80
  6. Step 6: Final answer
    x = 35,796.83

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1.5x scale

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.