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Finding the Fourth Proportional to 69,740.56, 96,212.28 and 41,430.88

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Solution

The fourth proportional to 69,740.56, 96,212.28 and 41,430.88 is: 57,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.56 : 96,212.28 = 41,430.88 : x
  2. Step 2: Convert to fraction form
    69,740.56/96,212.28 = 41,430.88/x
  3. Step 3: Cross multiply
    69,740.56x = 96,212.28 × 41,430.88
  4. Step 4: Simplify right side
    69,740.56x = 3,986,159,427.21
  5. Step 5: Solve for x
    x = 3,986,159,427.21/69,740.56
  6. Step 6: Final answer
    x = 57,156.97

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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.