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Finding the Fourth Proportional to 53,234.61, 79,720.70 and 33,464.13

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Solution

The fourth proportional to 53,234.61, 79,720.70 and 33,464.13 is: 50,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.61 : 79,720.70 = 33,464.13 : x
  2. Step 2: Convert to fraction form
    53,234.61/79,720.70 = 33,464.13/x
  3. Step 3: Cross multiply
    53,234.61x = 79,720.70 × 33,464.13
  4. Step 4: Simplify right side
    53,234.61x = 2,667,783,701.17
  5. Step 5: Solve for x
    x = 2,667,783,701.17/53,234.61
  6. Step 6: Final answer
    x = 50,113.71

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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.