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Finding the Fourth Proportional to 4,762.06, 7,143.15 and 1,475.14

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Solution

The fourth proportional to 4,762.06, 7,143.15 and 1,475.14 is: 2,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.06 : 7,143.15 = 1,475.14 : x
  2. Step 2: Convert to fraction form
    4,762.06/7,143.15 = 1,475.14/x
  3. Step 3: Cross multiply
    4,762.06x = 7,143.15 × 1,475.14
  4. Step 4: Simplify right side
    4,762.06x = 10,537,146.29
  5. Step 5: Solve for x
    x = 10,537,146.29/4,762.06
  6. Step 6: Final answer
    x = 2,212.73

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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.