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Finding the Fourth Proportional to 65,548.44, 98,311.72 and 23,421.68

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Solution

The fourth proportional to 65,548.44, 98,311.72 and 23,421.68 is: 35,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,548.44 : 98,311.72 = 23,421.68 : x
  2. Step 2: Convert to fraction form
    65,548.44/98,311.72 = 23,421.68/x
  3. Step 3: Cross multiply
    65,548.44x = 98,311.72 × 23,421.68
  4. Step 4: Simplify right side
    65,548.44x = 2,302,625,646.09
  5. Step 5: Solve for x
    x = 2,302,625,646.09/65,548.44
  6. Step 6: Final answer
    x = 35,128.61

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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.