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Finding the Fourth Proportional to 30,865.14, 46,297.71 and 7,491.42

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Solution

The fourth proportional to 30,865.14, 46,297.71 and 7,491.42 is: 11,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.14 : 46,297.71 = 7,491.42 : x
  2. Step 2: Convert to fraction form
    30,865.14/46,297.71 = 7,491.42/x
  3. Step 3: Cross multiply
    30,865.14x = 46,297.71 × 7,491.42
  4. Step 4: Simplify right side
    30,865.14x = 346,835,590.65
  5. Step 5: Solve for x
    x = 346,835,590.65/30,865.14
  6. Step 6: Final answer
    x = 11,237.13

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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.