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Finding the Fourth Proportional to 4,931.17, 7,394.20 and 1,810.37

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Solution

The fourth proportional to 4,931.17, 7,394.20 and 1,810.37 is: 2,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.17 : 7,394.20 = 1,810.37 : x
  2. Step 2: Convert to fraction form
    4,931.17/7,394.20 = 1,810.37/x
  3. Step 3: Cross multiply
    4,931.17x = 7,394.20 × 1,810.37
  4. Step 4: Simplify right side
    4,931.17x = 13,386,237.85
  5. Step 5: Solve for x
    x = 13,386,237.85/4,931.17
  6. Step 6: Final answer
    x = 2,714.62

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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.