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Finding the Fourth Proportional to 5,636.99, 8,455.89 and 1,740.89

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Solution

The fourth proportional to 5,636.99, 8,455.89 and 1,740.89 is: 2,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.99 : 8,455.89 = 1,740.89 : x
  2. Step 2: Convert to fraction form
    5,636.99/8,455.89 = 1,740.89/x
  3. Step 3: Cross multiply
    5,636.99x = 8,455.89 × 1,740.89
  4. Step 4: Simplify right side
    5,636.99x = 14,720,774.34
  5. Step 5: Solve for x
    x = 14,720,774.34/5,636.99
  6. Step 6: Final answer
    x = 2,611.46

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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.