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Finding the Fourth Proportional to 68,508.48, 94,583.52 and 45,880.32

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Solution

The fourth proportional to 68,508.48, 94,583.52 and 45,880.32 is: 63,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.48 : 94,583.52 = 45,880.32 : x
  2. Step 2: Convert to fraction form
    68,508.48/94,583.52 = 45,880.32/x
  3. Step 3: Cross multiply
    68,508.48x = 94,583.52 × 45,880.32
  4. Step 4: Simplify right side
    68,508.48x = 4,339,522,164.33
  5. Step 5: Solve for x
    x = 4,339,522,164.33/68,508.48
  6. Step 6: Final answer
    x = 63,342.85

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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.