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Finding the Fourth Proportional to 69,968.88, 96,489.22 and 44,430.20

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Solution

The fourth proportional to 69,968.88, 96,489.22 and 44,430.20 is: 61,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,968.88 : 96,489.22 = 44,430.20 : x
  2. Step 2: Convert to fraction form
    69,968.88/96,489.22 = 44,430.20/x
  3. Step 3: Cross multiply
    69,968.88x = 96,489.22 × 44,430.20
  4. Step 4: Simplify right side
    69,968.88x = 4,287,035,342.44
  5. Step 5: Solve for x
    x = 4,287,035,342.44/69,968.88
  6. Step 6: Final answer
    x = 61,270.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.