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Finding the Fourth Proportional to 1,841.40, 2,762.10 and 1,516.08

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Solution

The fourth proportional to 1,841.40, 2,762.10 and 1,516.08 is: 2,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.40 : 2,762.10 = 1,516.08 : x
  2. Step 2: Convert to fraction form
    1,841.40/2,762.10 = 1,516.08/x
  3. Step 3: Cross multiply
    1,841.40x = 2,762.10 × 1,516.08
  4. Step 4: Simplify right side
    1,841.40x = 4,187,564.57
  5. Step 5: Solve for x
    x = 4,187,564.57/1,841.40
  6. Step 6: Final answer
    x = 2,274.12

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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.