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Finding the Fourth Proportional to 32,485.53, 48,729.68 and 10,300.51

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Solution

The fourth proportional to 32,485.53, 48,729.68 and 10,300.51 is: 15,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.53 : 48,729.68 = 10,300.51 : x
  2. Step 2: Convert to fraction form
    32,485.53/48,729.68 = 10,300.51/x
  3. Step 3: Cross multiply
    32,485.53x = 48,729.68 × 10,300.51
  4. Step 4: Simplify right side
    32,485.53x = 501,940,556.14
  5. Step 5: Solve for x
    x = 501,940,556.14/32,485.53
  6. Step 6: Final answer
    x = 15,451.20

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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.