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Finding the Fourth Proportional to 10,644.24, 14,689.08 and 6,168.24

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Solution

The fourth proportional to 10,644.24, 14,689.08 and 6,168.24 is: 8,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.24 : 14,689.08 = 6,168.24 : x
  2. Step 2: Convert to fraction form
    10,644.24/14,689.08 = 6,168.24/x
  3. Step 3: Cross multiply
    10,644.24x = 14,689.08 × 6,168.24
  4. Step 4: Simplify right side
    10,644.24x = 90,605,770.82
  5. Step 5: Solve for x
    x = 90,605,770.82/10,644.24
  6. Step 6: Final answer
    x = 8,512.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.