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Finding the Fourth Proportional to 69,608.56, 96,058.38 and 39,393.34

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Solution

The fourth proportional to 69,608.56, 96,058.38 and 39,393.34 is: 54,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,608.56 : 96,058.38 = 39,393.34 : x
  2. Step 2: Convert to fraction form
    69,608.56/96,058.38 = 39,393.34/x
  3. Step 3: Cross multiply
    69,608.56x = 96,058.38 × 39,393.34
  4. Step 4: Simplify right side
    69,608.56x = 3,784,060,423.19
  5. Step 5: Solve for x
    x = 3,784,060,423.19/69,608.56
  6. Step 6: Final answer
    x = 54,362.00

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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.