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Finding the Fourth Proportional to 48,307.64, 66,664.48 and 26,800.64

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Solution

The fourth proportional to 48,307.64, 66,664.48 and 26,800.64 is: 36,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,307.64 : 66,664.48 = 26,800.64 : x
  2. Step 2: Convert to fraction form
    48,307.64/66,664.48 = 26,800.64/x
  3. Step 3: Cross multiply
    48,307.64x = 66,664.48 × 26,800.64
  4. Step 4: Simplify right side
    48,307.64x = 1,786,650,778.68
  5. Step 5: Solve for x
    x = 1,786,650,778.68/48,307.64
  6. Step 6: Final answer
    x = 36,984.85

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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.