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Finding the Fourth Proportional to 36,065.54, 49,776.80 and 20,962.89

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Solution

The fourth proportional to 36,065.54, 49,776.80 and 20,962.89 is: 28,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,065.54 : 49,776.80 = 20,962.89 : x
  2. Step 2: Convert to fraction form
    36,065.54/49,776.80 = 20,962.89/x
  3. Step 3: Cross multiply
    36,065.54x = 49,776.80 × 20,962.89
  4. Step 4: Simplify right side
    36,065.54x = 1,043,465,478.14
  5. Step 5: Solve for x
    x = 1,043,465,478.14/36,065.54
  6. Step 6: Final answer
    x = 28,932.48

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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.