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Finding the Fourth Proportional to 6,921.03, 9,552.56 and 4,402.65

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Solution

The fourth proportional to 6,921.03, 9,552.56 and 4,402.65 is: 6,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.03 : 9,552.56 = 4,402.65 : x
  2. Step 2: Convert to fraction form
    6,921.03/9,552.56 = 4,402.65/x
  3. Step 3: Cross multiply
    6,921.03x = 9,552.56 × 4,402.65
  4. Step 4: Simplify right side
    6,921.03x = 42,056,578.28
  5. Step 5: Solve for x
    x = 42,056,578.28/6,921.03
  6. Step 6: Final answer
    x = 6,076.64

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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.