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Finding the Fourth Proportional to 52,709.40, 79,064.10 and 33,010.20

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Solution

The fourth proportional to 52,709.40, 79,064.10 and 33,010.20 is: 49,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.40 : 79,064.10 = 33,010.20 : x
  2. Step 2: Convert to fraction form
    52,709.40/79,064.10 = 33,010.20/x
  3. Step 3: Cross multiply
    52,709.40x = 79,064.10 × 33,010.20
  4. Step 4: Simplify right side
    52,709.40x = 2,609,921,753.82
  5. Step 5: Solve for x
    x = 2,609,921,753.82/52,709.40
  6. Step 6: Final answer
    x = 49,515.30

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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.