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Finding the Fourth Proportional to 13,041.58, 17,977.48 and 7,996.45

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Solution

The fourth proportional to 13,041.58, 17,977.48 and 7,996.45 is: 11,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.58 : 17,977.48 = 7,996.45 : x
  2. Step 2: Convert to fraction form
    13,041.58/17,977.48 = 7,996.45/x
  3. Step 3: Cross multiply
    13,041.58x = 17,977.48 × 7,996.45
  4. Step 4: Simplify right side
    13,041.58x = 143,755,971.89
  5. Step 5: Solve for x
    x = 143,755,971.89/13,041.58
  6. Step 6: Final answer
    x = 11,022.89

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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.