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Finding the Fourth Proportional to 5,605.61, 8,397.48 and 3,408.89

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Solution

The fourth proportional to 5,605.61, 8,397.48 and 3,408.89 is: 5,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.61 : 8,397.48 = 3,408.89 : x
  2. Step 2: Convert to fraction form
    5,605.61/8,397.48 = 3,408.89/x
  3. Step 3: Cross multiply
    5,605.61x = 8,397.48 × 3,408.89
  4. Step 4: Simplify right side
    5,605.61x = 28,626,106.59
  5. Step 5: Solve for x
    x = 28,626,106.59/5,605.61
  6. Step 6: Final answer
    x = 5,106.69

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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.