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Finding the Fourth Proportional to 2,473.76, 3,710.64 and 1,012.58

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Solution

The fourth proportional to 2,473.76, 3,710.64 and 1,012.58 is: 1,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.76 : 3,710.64 = 1,012.58 : x
  2. Step 2: Convert to fraction form
    2,473.76/3,710.64 = 1,012.58/x
  3. Step 3: Cross multiply
    2,473.76x = 3,710.64 × 1,012.58
  4. Step 4: Simplify right side
    2,473.76x = 3,757,319.85
  5. Step 5: Solve for x
    x = 3,757,319.85/2,473.76
  6. Step 6: Final answer
    x = 1,518.87

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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.