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Finding the Fourth Proportional to 6,338.84, 8,746.62 and 3,543.80

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Solution

The fourth proportional to 6,338.84, 8,746.62 and 3,543.80 is: 4,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.84 : 8,746.62 = 3,543.80 : x
  2. Step 2: Convert to fraction form
    6,338.84/8,746.62 = 3,543.80/x
  3. Step 3: Cross multiply
    6,338.84x = 8,746.62 × 3,543.80
  4. Step 4: Simplify right side
    6,338.84x = 30,996,271.96
  5. Step 5: Solve for x
    x = 30,996,271.96/6,338.84
  6. Step 6: Final answer
    x = 4,889.90

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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.