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Finding the Fourth Proportional to 68,710.26, 94,818.51 and 38,496.54

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Solution

The fourth proportional to 68,710.26, 94,818.51 and 38,496.54 is: 53,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,710.26 : 94,818.51 = 38,496.54 : x
  2. Step 2: Convert to fraction form
    68,710.26/94,818.51 = 38,496.54/x
  3. Step 3: Cross multiply
    68,710.26x = 94,818.51 × 38,496.54
  4. Step 4: Simplify right side
    68,710.26x = 3,650,184,562.96
  5. Step 5: Solve for x
    x = 3,650,184,562.96/68,710.26
  6. Step 6: Final answer
    x = 53,124.30

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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.