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Finding the Fourth Proportional to 48,863.58, 67,431.87 and 26,507.58

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Solution

The fourth proportional to 48,863.58, 67,431.87 and 26,507.58 is: 36,580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,863.58 : 67,431.87 = 26,507.58 : x
  2. Step 2: Convert to fraction form
    48,863.58/67,431.87 = 26,507.58/x
  3. Step 3: Cross multiply
    48,863.58x = 67,431.87 × 26,507.58
  4. Step 4: Simplify right side
    48,863.58x = 1,787,455,688.57
  5. Step 5: Solve for x
    x = 1,787,455,688.57/48,863.58
  6. Step 6: Final answer
    x = 36,580.53

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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.