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Finding the Fourth Proportional to 68,523.76, 94,655.82 and 51,656.32

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Solution

The fourth proportional to 68,523.76, 94,655.82 and 51,656.32 is: 71,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,523.76 : 94,655.82 = 51,656.32 : x
  2. Step 2: Convert to fraction form
    68,523.76/94,655.82 = 51,656.32/x
  3. Step 3: Cross multiply
    68,523.76x = 94,655.82 × 51,656.32
  4. Step 4: Simplify right side
    68,523.76x = 4,889,571,327.78
  5. Step 5: Solve for x
    x = 4,889,571,327.78/68,523.76
  6. Step 6: Final answer
    x = 71,355.85

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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.