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Finding the Fourth Proportional to 68,852.55, 95,010.94 and 38,633.68

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Solution

The fourth proportional to 68,852.55, 95,010.94 and 38,633.68 is: 53,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,852.55 : 95,010.94 = 38,633.68 : x
  2. Step 2: Convert to fraction form
    68,852.55/95,010.94 = 38,633.68/x
  3. Step 3: Cross multiply
    68,852.55x = 95,010.94 × 38,633.68
  4. Step 4: Simplify right side
    68,852.55x = 3,670,622,252.46
  5. Step 5: Solve for x
    x = 3,670,622,252.46/68,852.55
  6. Step 6: Final answer
    x = 53,311.35

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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.