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Finding the Fourth Proportional to 73,697.90, 101,702.58 and 41,866.80

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Solution

The fourth proportional to 73,697.90, 101,702.58 and 41,866.80 is: 57,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697.90 : 101,702.58 = 41,866.80 : x
  2. Step 2: Convert to fraction form
    73,697.90/101,702.58 = 41,866.80/x
  3. Step 3: Cross multiply
    73,697.90x = 101,702.58 × 41,866.80
  4. Step 4: Simplify right side
    73,697.90x = 4,257,961,576.34
  5. Step 5: Solve for x
    x = 4,257,961,576.34/73,697.90
  6. Step 6: Final answer
    x = 57,775.89

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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.