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Finding the Fourth Proportional to 29,867.82, 44,810.37 and 9,090.78

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Solution

The fourth proportional to 29,867.82, 44,810.37 and 9,090.78 is: 13,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,867.82 : 44,810.37 = 9,090.78 : x
  2. Step 2: Convert to fraction form
    29,867.82/44,810.37 = 9,090.78/x
  3. Step 3: Cross multiply
    29,867.82x = 44,810.37 × 9,090.78
  4. Step 4: Simplify right side
    29,867.82x = 407,361,215.39
  5. Step 5: Solve for x
    x = 407,361,215.39/29,867.82
  6. Step 6: Final answer
    x = 13,638.80

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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.