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Finding the Fourth Proportional to 4,871.70, 7,308.27 and 1,949.94

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Solution

The fourth proportional to 4,871.70, 7,308.27 and 1,949.94 is: 2,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.70 : 7,308.27 = 1,949.94 : x
  2. Step 2: Convert to fraction form
    4,871.70/7,308.27 = 1,949.94/x
  3. Step 3: Cross multiply
    4,871.70x = 7,308.27 × 1,949.94
  4. Step 4: Simplify right side
    4,871.70x = 14,250,688.00
  5. Step 5: Solve for x
    x = 14,250,688.00/4,871.70
  6. Step 6: Final answer
    x = 2,925.20

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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.