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Finding the Fourth Proportional to 7,553, 10,423.78 and 4,241.64

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Solution

The fourth proportional to 7,553, 10,423.78 and 4,241.64 is: 5,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553 : 10,423.78 = 4,241.64 : x
  2. Step 2: Convert to fraction form
    7,553/10,423.78 = 4,241.64/x
  3. Step 3: Cross multiply
    7,553x = 10,423.78 × 4,241.64
  4. Step 4: Simplify right side
    7,553x = 44,213,922.20
  5. Step 5: Solve for x
    x = 44,213,922.20/7,553
  6. Step 6: Final answer
    x = 5,853.82

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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.