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Finding the Fourth Proportional to 62,776.68, 86,595.63 and 37,611.60

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Solution

The fourth proportional to 62,776.68, 86,595.63 and 37,611.60 is: 51,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,776.68 : 86,595.63 = 37,611.60 : x
  2. Step 2: Convert to fraction form
    62,776.68/86,595.63 = 37,611.60/x
  3. Step 3: Cross multiply
    62,776.68x = 86,595.63 × 37,611.60
  4. Step 4: Simplify right side
    62,776.68x = 3,257,000,197.31
  5. Step 5: Solve for x
    x = 3,257,000,197.31/62,776.68
  6. Step 6: Final answer
    x = 51,882.33

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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.