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Finding the Fourth Proportional to 53,212.32, 79,764.57 and 34,504.22

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Solution

The fourth proportional to 53,212.32, 79,764.57 and 34,504.22 is: 51,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.32 : 79,764.57 = 34,504.22 : x
  2. Step 2: Convert to fraction form
    53,212.32/79,764.57 = 34,504.22/x
  3. Step 3: Cross multiply
    53,212.32x = 79,764.57 × 34,504.22
  4. Step 4: Simplify right side
    53,212.32x = 2,752,214,271.49
  5. Step 5: Solve for x
    x = 2,752,214,271.49/53,212.32
  6. Step 6: Final answer
    x = 51,721.37

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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.