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Finding the Fourth Proportional to 75,012.48, 103,500.48 and 44,784

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Solution

The fourth proportional to 75,012.48, 103,500.48 and 44,784 is: 61,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.48 : 103,500.48 = 44,784 : x
  2. Step 2: Convert to fraction form
    75,012.48/103,500.48 = 44,784/x
  3. Step 3: Cross multiply
    75,012.48x = 103,500.48 × 44,784
  4. Step 4: Simplify right side
    75,012.48x = 4,635,165,496.32
  5. Step 5: Solve for x
    x = 4,635,165,496.32/75,012.48
  6. Step 6: Final answer
    x = 61,791.92

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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.