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Finding the Fourth Proportional to 67,855.40, 101,588.70 and 41,611.40

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Solution

The fourth proportional to 67,855.40, 101,588.70 and 41,611.40 is: 62,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.40 : 101,588.70 = 41,611.40 : x
  2. Step 2: Convert to fraction form
    67,855.40/101,588.70 = 41,611.40/x
  3. Step 3: Cross multiply
    67,855.40x = 101,588.70 × 41,611.40
  4. Step 4: Simplify right side
    67,855.40x = 4,227,248,031.18
  5. Step 5: Solve for x
    x = 4,227,248,031.18/67,855.40
  6. Step 6: Final answer
    x = 62,297.89

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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.