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Finding the Fourth Proportional to 10,685.93, 16,019.17 and 4,117.03

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Solution

The fourth proportional to 10,685.93, 16,019.17 and 4,117.03 is: 6,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.93 : 16,019.17 = 4,117.03 : x
  2. Step 2: Convert to fraction form
    10,685.93/16,019.17 = 4,117.03/x
  3. Step 3: Cross multiply
    10,685.93x = 16,019.17 × 4,117.03
  4. Step 4: Simplify right side
    10,685.93x = 65,951,353.12
  5. Step 5: Solve for x
    x = 65,951,353.12/10,685.93
  6. Step 6: Final answer
    x = 6,171.80

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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.