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Finding the Fourth Proportional to 48,507.60, 66,919.80 and 27,800.14

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Solution

The fourth proportional to 48,507.60, 66,919.80 and 27,800.14 is: 38,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.60 : 66,919.80 = 27,800.14 : x
  2. Step 2: Convert to fraction form
    48,507.60/66,919.80 = 27,800.14/x
  3. Step 3: Cross multiply
    48,507.60x = 66,919.80 × 27,800.14
  4. Step 4: Simplify right side
    48,507.60x = 1,860,379,808.77
  5. Step 5: Solve for x
    x = 1,860,379,808.77/48,507.60
  6. Step 6: Final answer
    x = 38,352.34

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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.