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Finding the Fourth Proportional to 67,390.80, 101,085.60 and 17,466.48

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Solution

The fourth proportional to 67,390.80, 101,085.60 and 17,466.48 is: 26,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.80 : 101,085.60 = 17,466.48 : x
  2. Step 2: Convert to fraction form
    67,390.80/101,085.60 = 17,466.48/x
  3. Step 3: Cross multiply
    67,390.80x = 101,085.60 × 17,466.48
  4. Step 4: Simplify right side
    67,390.80x = 1,765,609,610.69
  5. Step 5: Solve for x
    x = 1,765,609,610.69/67,390.80
  6. Step 6: Final answer
    x = 26,199.56

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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.