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Finding the Fourth Proportional to 8,545.70, 12,816.15 and 2,704.10

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Solution

The fourth proportional to 8,545.70, 12,816.15 and 2,704.10 is: 4,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.70 : 12,816.15 = 2,704.10 : x
  2. Step 2: Convert to fraction form
    8,545.70/12,816.15 = 2,704.10/x
  3. Step 3: Cross multiply
    8,545.70x = 12,816.15 × 2,704.10
  4. Step 4: Simplify right side
    8,545.70x = 34,656,151.22
  5. Step 5: Solve for x
    x = 34,656,151.22/8,545.70
  6. Step 6: Final answer
    x = 4,055.39

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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.