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Finding the Fourth Proportional to 61,263.34, 91,765.84 and 28,011.37

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Solution

The fourth proportional to 61,263.34, 91,765.84 and 28,011.37 is: 41,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.34 : 91,765.84 = 28,011.37 : x
  2. Step 2: Convert to fraction form
    61,263.34/91,765.84 = 28,011.37/x
  3. Step 3: Cross multiply
    61,263.34x = 91,765.84 × 28,011.37
  4. Step 4: Simplify right side
    61,263.34x = 2,570,486,743.96
  5. Step 5: Solve for x
    x = 2,570,486,743.96/61,263.34
  6. Step 6: Final answer
    x = 41,957.99

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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.