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Finding the Fourth Proportional to 3,276.81, 4,913.78 and 1,545.93

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Solution

The fourth proportional to 3,276.81, 4,913.78 and 1,545.93 is: 2,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.81 : 4,913.78 = 1,545.93 : x
  2. Step 2: Convert to fraction form
    3,276.81/4,913.78 = 1,545.93/x
  3. Step 3: Cross multiply
    3,276.81x = 4,913.78 × 1,545.93
  4. Step 4: Simplify right side
    3,276.81x = 7,596,352.19
  5. Step 5: Solve for x
    x = 7,596,352.19/3,276.81
  6. Step 6: Final answer
    x = 2,318.22

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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.