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Finding the Fourth Proportional to 5,200.41, 7,800.61 and 1,737.66

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Solution

The fourth proportional to 5,200.41, 7,800.61 and 1,737.66 is: 2,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.41 : 7,800.61 = 1,737.66 : x
  2. Step 2: Convert to fraction form
    5,200.41/7,800.61 = 1,737.66/x
  3. Step 3: Cross multiply
    5,200.41x = 7,800.61 × 1,737.66
  4. Step 4: Simplify right side
    5,200.41x = 13,554,780.89
  5. Step 5: Solve for x
    x = 13,554,780.89/5,200.41
  6. Step 6: Final answer
    x = 2,606.49

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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.