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Finding the Fourth Proportional to 10,644.67, 15,967.01 and 2,852.88

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Solution

The fourth proportional to 10,644.67, 15,967.01 and 2,852.88 is: 4,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.67 : 15,967.01 = 2,852.88 : x
  2. Step 2: Convert to fraction form
    10,644.67/15,967.01 = 2,852.88/x
  3. Step 3: Cross multiply
    10,644.67x = 15,967.01 × 2,852.88
  4. Step 4: Simplify right side
    10,644.67x = 45,551,963.49
  5. Step 5: Solve for x
    x = 45,551,963.49/10,644.67
  6. Step 6: Final answer
    x = 4,279.32

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1.5x scale

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.