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Finding the Fourth Proportional to 4,750.66, 7,127.54 and 2,285.68

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Solution

The fourth proportional to 4,750.66, 7,127.54 and 2,285.68 is: 3,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.66 : 7,127.54 = 2,285.68 : x
  2. Step 2: Convert to fraction form
    4,750.66/7,127.54 = 2,285.68/x
  3. Step 3: Cross multiply
    4,750.66x = 7,127.54 × 2,285.68
  4. Step 4: Simplify right side
    4,750.66x = 16,291,275.63
  5. Step 5: Solve for x
    x = 16,291,275.63/4,750.66
  6. Step 6: Final answer
    x = 3,429.27

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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.