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Finding the Fourth Proportional to 36,681.68, 50,620.93 and 21,574.98

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Solution

The fourth proportional to 36,681.68, 50,620.93 and 21,574.98 is: 29,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.68 : 50,620.93 = 21,574.98 : x
  2. Step 2: Convert to fraction form
    36,681.68/50,620.93 = 21,574.98/x
  3. Step 3: Cross multiply
    36,681.68x = 50,620.93 × 21,574.98
  4. Step 4: Simplify right side
    36,681.68x = 1,092,145,191.35
  5. Step 5: Solve for x
    x = 1,092,145,191.35/36,681.68
  6. Step 6: Final answer
    x = 29,773.59

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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.