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Finding the Fourth Proportional to 4,913.15, 6,780.02 and 2,674.98

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Solution

The fourth proportional to 4,913.15, 6,780.02 and 2,674.98 is: 3,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.15 : 6,780.02 = 2,674.98 : x
  2. Step 2: Convert to fraction form
    4,913.15/6,780.02 = 2,674.98/x
  3. Step 3: Cross multiply
    4,913.15x = 6,780.02 × 2,674.98
  4. Step 4: Simplify right side
    4,913.15x = 18,136,404.52
  5. Step 5: Solve for x
    x = 18,136,404.52/4,913.15
  6. Step 6: Final answer
    x = 3,691.40

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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.