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Finding the Fourth Proportional to 6,884.54, 9,500.65 and 3,740.74

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Solution

The fourth proportional to 6,884.54, 9,500.65 and 3,740.74 is: 5,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.54 : 9,500.65 = 3,740.74 : x
  2. Step 2: Convert to fraction form
    6,884.54/9,500.65 = 3,740.74/x
  3. Step 3: Cross multiply
    6,884.54x = 9,500.65 × 3,740.74
  4. Step 4: Simplify right side
    6,884.54x = 35,539,461.48
  5. Step 5: Solve for x
    x = 35,539,461.48/6,884.54
  6. Step 6: Final answer
    x = 5,162.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.