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Finding the Fourth Proportional to 36,655.50, 50,584.86 and 19,888.50

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Solution

The fourth proportional to 36,655.50, 50,584.86 and 19,888.50 is: 27,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.50 : 50,584.86 = 19,888.50 : x
  2. Step 2: Convert to fraction form
    36,655.50/50,584.86 = 19,888.50/x
  3. Step 3: Cross multiply
    36,655.50x = 50,584.86 × 19,888.50
  4. Step 4: Simplify right side
    36,655.50x = 1,006,056,988.11
  5. Step 5: Solve for x
    x = 1,006,056,988.11/36,655.50
  6. Step 6: Final answer
    x = 27,446.28

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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.