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Finding the Fourth Proportional to 8,732.71, 13,101.48 and 2,893.42

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Solution

The fourth proportional to 8,732.71, 13,101.48 and 2,893.42 is: 4,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.71 : 13,101.48 = 2,893.42 : x
  2. Step 2: Convert to fraction form
    8,732.71/13,101.48 = 2,893.42/x
  3. Step 3: Cross multiply
    8,732.71x = 13,101.48 × 2,893.42
  4. Step 4: Simplify right side
    8,732.71x = 37,908,084.26
  5. Step 5: Solve for x
    x = 37,908,084.26/8,732.71
  6. Step 6: Final answer
    x = 4,340.93

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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.