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Finding the Fourth Proportional to 5,610.67, 8,416.01 and 1,715.05

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Solution

The fourth proportional to 5,610.67, 8,416.01 and 1,715.05 is: 2,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.67 : 8,416.01 = 1,715.05 : x
  2. Step 2: Convert to fraction form
    5,610.67/8,416.01 = 1,715.05/x
  3. Step 3: Cross multiply
    5,610.67x = 8,416.01 × 1,715.05
  4. Step 4: Simplify right side
    5,610.67x = 14,433,835.87
  5. Step 5: Solve for x
    x = 14,433,835.87/5,610.67
  6. Step 6: Final answer
    x = 2,572.57

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Similar ratio
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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.