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Finding the Fourth Proportional to 7,656.26, 10,562.82 and 4,822.88

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Solution

The fourth proportional to 7,656.26, 10,562.82 and 4,822.88 is: 6,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.26 : 10,562.82 = 4,822.88 : x
  2. Step 2: Convert to fraction form
    7,656.26/10,562.82 = 4,822.88/x
  3. Step 3: Cross multiply
    7,656.26x = 10,562.82 × 4,822.88
  4. Step 4: Simplify right side
    7,656.26x = 50,943,213.32
  5. Step 5: Solve for x
    x = 50,943,213.32/7,656.26
  6. Step 6: Final answer
    x = 6,653.80

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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.