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Finding the Fourth Proportional to 64,160.48, 96,216.72 and 22,028.60

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Solution

The fourth proportional to 64,160.48, 96,216.72 and 22,028.60 is: 33,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,160.48 : 96,216.72 = 22,028.60 : x
  2. Step 2: Convert to fraction form
    64,160.48/96,216.72 = 22,028.60/x
  3. Step 3: Cross multiply
    64,160.48x = 96,216.72 × 22,028.60
  4. Step 4: Simplify right side
    64,160.48x = 2,119,519,638.19
  5. Step 5: Solve for x
    x = 2,119,519,638.19/64,160.48
  6. Step 6: Final answer
    x = 33,034.66

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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.