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Finding the Fourth Proportional to 68,714.76, 94,820.76 and 38,497.62

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Solution

The fourth proportional to 68,714.76, 94,820.76 and 38,497.62 is: 53,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.76 : 94,820.76 = 38,497.62 : x
  2. Step 2: Convert to fraction form
    68,714.76/94,820.76 = 38,497.62/x
  3. Step 3: Cross multiply
    68,714.76x = 94,820.76 × 38,497.62
  4. Step 4: Simplify right side
    68,714.76x = 3,650,373,586.59
  5. Step 5: Solve for x
    x = 3,650,373,586.59/68,714.76
  6. Step 6: Final answer
    x = 53,123.57

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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.