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Finding the Fourth Proportional to 45,374.40, 67,684.32 and 44,648.64

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Solution

The fourth proportional to 45,374.40, 67,684.32 and 44,648.64 is: 66,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.40 : 67,684.32 = 44,648.64 : x
  2. Step 2: Convert to fraction form
    45,374.40/67,684.32 = 44,648.64/x
  3. Step 3: Cross multiply
    45,374.40x = 67,684.32 × 44,648.64
  4. Step 4: Simplify right side
    45,374.40x = 3,022,012,837.32
  5. Step 5: Solve for x
    x = 3,022,012,837.32/45,374.40
  6. Step 6: Final answer
    x = 66,601.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.