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Finding the Fourth Proportional to 52,762.80, 72,805.87 and 30,100.44

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Solution

The fourth proportional to 52,762.80, 72,805.87 and 30,100.44 is: 41,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,762.80 : 72,805.87 = 30,100.44 : x
  2. Step 2: Convert to fraction form
    52,762.80/72,805.87 = 30,100.44/x
  3. Step 3: Cross multiply
    52,762.80x = 72,805.87 × 30,100.44
  4. Step 4: Simplify right side
    52,762.80x = 2,191,488,721.58
  5. Step 5: Solve for x
    x = 2,191,488,721.58/52,762.80
  6. Step 6: Final answer
    x = 41,534.73

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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.