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Finding the Fourth Proportional to 39,358.48, 54,315.74 and 24,261.12

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Solution

The fourth proportional to 39,358.48, 54,315.74 and 24,261.12 is: 33,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.48 : 54,315.74 = 24,261.12 : x
  2. Step 2: Convert to fraction form
    39,358.48/54,315.74 = 24,261.12/x
  3. Step 3: Cross multiply
    39,358.48x = 54,315.74 × 24,261.12
  4. Step 4: Simplify right side
    39,358.48x = 1,317,760,678.45
  5. Step 5: Solve for x
    x = 1,317,760,678.45/39,358.48
  6. Step 6: Final answer
    x = 33,480.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.