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Finding the Fourth Proportional to 69,679.90, 96,158.16 and 37,848.82

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Solution

The fourth proportional to 69,679.90, 96,158.16 and 37,848.82 is: 52,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679.90 : 96,158.16 = 37,848.82 : x
  2. Step 2: Convert to fraction form
    69,679.90/96,158.16 = 37,848.82/x
  3. Step 3: Cross multiply
    69,679.90x = 96,158.16 × 37,848.82
  4. Step 4: Simplify right side
    69,679.90x = 3,639,472,889.37
  5. Step 5: Solve for x
    x = 3,639,472,889.37/69,679.90
  6. Step 6: Final answer
    x = 52,231.32

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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.