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Finding the Fourth Proportional to 2,472.47, 3,710.08 and 1,012.65

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Solution

The fourth proportional to 2,472.47, 3,710.08 and 1,012.65 is: 1,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.47 : 3,710.08 = 1,012.65 : x
  2. Step 2: Convert to fraction form
    2,472.47/3,710.08 = 1,012.65/x
  3. Step 3: Cross multiply
    2,472.47x = 3,710.08 × 1,012.65
  4. Step 4: Simplify right side
    2,472.47x = 3,757,012.51
  5. Step 5: Solve for x
    x = 3,757,012.51/2,472.47
  6. Step 6: Final answer
    x = 1,519.54

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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.