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Finding the Fourth Proportional to 36,152, 49,886.88 and 20,235.68

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Solution

The fourth proportional to 36,152, 49,886.88 and 20,235.68 is: 27,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,152 : 49,886.88 = 20,235.68 : x
  2. Step 2: Convert to fraction form
    36,152/49,886.88 = 20,235.68/x
  3. Step 3: Cross multiply
    36,152x = 49,886.88 × 20,235.68
  4. Step 4: Simplify right side
    36,152x = 1,009,494,939.88
  5. Step 5: Solve for x
    x = 1,009,494,939.88/36,152
  6. Step 6: Final answer
    x = 27,923.63

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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.