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Finding the Fourth Proportional to 8,971.99, 13,458.02 and 2,732.05

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Solution

The fourth proportional to 8,971.99, 13,458.02 and 2,732.05 is: 4,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.99 : 13,458.02 = 2,732.05 : x
  2. Step 2: Convert to fraction form
    8,971.99/13,458.02 = 2,732.05/x
  3. Step 3: Cross multiply
    8,971.99x = 13,458.02 × 2,732.05
  4. Step 4: Simplify right side
    8,971.99x = 36,767,969.88
  5. Step 5: Solve for x
    x = 36,767,969.88/8,971.99
  6. Step 6: Final answer
    x = 4,098.08

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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.