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Finding the Fourth Proportional to 48,758.60, 73,140.60 and 13,695.50

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Solution

The fourth proportional to 48,758.60, 73,140.60 and 13,695.50 is: 20,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,758.60 : 73,140.60 = 13,695.50 : x
  2. Step 2: Convert to fraction form
    48,758.60/73,140.60 = 13,695.50/x
  3. Step 3: Cross multiply
    48,758.60x = 73,140.60 × 13,695.50
  4. Step 4: Simplify right side
    48,758.60x = 1,001,697,087.30
  5. Step 5: Solve for x
    x = 1,001,697,087.30/48,758.60
  6. Step 6: Final answer
    x = 20,544.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.