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Finding the Fourth Proportional to 48,863.49, 67,431.74 and 26,507.49

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Solution

The fourth proportional to 48,863.49, 67,431.74 and 26,507.49 is: 36,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,863.49 : 67,431.74 = 26,507.49 : x
  2. Step 2: Convert to fraction form
    48,863.49/67,431.74 = 26,507.49/x
  3. Step 3: Cross multiply
    48,863.49x = 67,431.74 × 26,507.49
  4. Step 4: Simplify right side
    48,863.49x = 1,787,445,836.57
  5. Step 5: Solve for x
    x = 1,787,445,836.57/48,863.49
  6. Step 6: Final answer
    x = 36,580.40

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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.