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Finding the Fourth Proportional to 48,228.93, 66,503.94 and 32,917.20

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Solution

The fourth proportional to 48,228.93, 66,503.94 and 32,917.20 is: 45,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.93 : 66,503.94 = 32,917.20 : x
  2. Step 2: Convert to fraction form
    48,228.93/66,503.94 = 32,917.20/x
  3. Step 3: Cross multiply
    48,228.93x = 66,503.94 × 32,917.20
  4. Step 4: Simplify right side
    48,228.93x = 2,189,123,214.46
  5. Step 5: Solve for x
    x = 2,189,123,214.46/48,228.93
  6. Step 6: Final answer
    x = 45,390.25

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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.