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Finding the Fourth Proportional to 10,817.07, 16,251.53 and 6,929.07

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Solution

The fourth proportional to 10,817.07, 16,251.53 and 6,929.07 is: 10,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.07 : 16,251.53 = 6,929.07 : x
  2. Step 2: Convert to fraction form
    10,817.07/16,251.53 = 6,929.07/x
  3. Step 3: Cross multiply
    10,817.07x = 16,251.53 × 6,929.07
  4. Step 4: Simplify right side
    10,817.07x = 112,607,954.33
  5. Step 5: Solve for x
    x = 112,607,954.33/10,817.07
  6. Step 6: Final answer
    x = 10,410.21

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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.