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Finding the Fourth Proportional to 91,714.20, 137,491.30 and 35,592.60

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Solution

The fourth proportional to 91,714.20, 137,491.30 and 35,592.60 is: 53,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.20 : 137,491.30 = 35,592.60 : x
  2. Step 2: Convert to fraction form
    91,714.20/137,491.30 = 35,592.60/x
  3. Step 3: Cross multiply
    91,714.20x = 137,491.30 × 35,592.60
  4. Step 4: Simplify right side
    91,714.20x = 4,893,672,844.38
  5. Step 5: Solve for x
    x = 4,893,672,844.38/91,714.20
  6. Step 6: Final answer
    x = 53,357.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.