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Finding the Fourth Proportional to 48,063.55, 66,317.55 and 27,910

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Solution

The fourth proportional to 48,063.55, 66,317.55 and 27,910 is: 38,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,063.55 : 66,317.55 = 27,910 : x
  2. Step 2: Convert to fraction form
    48,063.55/66,317.55 = 27,910/x
  3. Step 3: Cross multiply
    48,063.55x = 66,317.55 × 27,910
  4. Step 4: Simplify right side
    48,063.55x = 1,850,922,820.50
  5. Step 5: Solve for x
    x = 1,850,922,820.50/48,063.55
  6. Step 6: Final answer
    x = 38,509.91

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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.