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Finding the Fourth Proportional to 4,829.64, 7,243.98 and 1,542.15

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Solution

The fourth proportional to 4,829.64, 7,243.98 and 1,542.15 is: 2,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.64 : 7,243.98 = 1,542.15 : x
  2. Step 2: Convert to fraction form
    4,829.64/7,243.98 = 1,542.15/x
  3. Step 3: Cross multiply
    4,829.64x = 7,243.98 × 1,542.15
  4. Step 4: Simplify right side
    4,829.64x = 11,171,303.76
  5. Step 5: Solve for x
    x = 11,171,303.76/4,829.64
  6. Step 6: Final answer
    x = 2,313.07

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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.