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Finding the Fourth Proportional to 36,700.84, 55,050.98 and 21,811.16

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Solution

The fourth proportional to 36,700.84, 55,050.98 and 21,811.16 is: 32,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.84 : 55,050.98 = 21,811.16 : x
  2. Step 2: Convert to fraction form
    36,700.84/55,050.98 = 21,811.16/x
  3. Step 3: Cross multiply
    36,700.84x = 55,050.98 × 21,811.16
  4. Step 4: Simplify right side
    36,700.84x = 1,200,725,732.94
  5. Step 5: Solve for x
    x = 1,200,725,732.94/36,700.84
  6. Step 6: Final answer
    x = 32,716.57

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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.