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Finding the Fourth Proportional to 4,644.52, 6,966.70 and 1,871.12

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Solution

The fourth proportional to 4,644.52, 6,966.70 and 1,871.12 is: 2,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.52 : 6,966.70 = 1,871.12 : x
  2. Step 2: Convert to fraction form
    4,644.52/6,966.70 = 1,871.12/x
  3. Step 3: Cross multiply
    4,644.52x = 6,966.70 × 1,871.12
  4. Step 4: Simplify right side
    4,644.52x = 13,035,549.71
  5. Step 5: Solve for x
    x = 13,035,549.71/4,644.52
  6. Step 6: Final answer
    x = 2,806.65

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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.