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Finding the Fourth Proportional to 39,077.84, 53,883.82 and 28,301.40

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Solution

The fourth proportional to 39,077.84, 53,883.82 and 28,301.40 is: 39,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.84 : 53,883.82 = 28,301.40 : x
  2. Step 2: Convert to fraction form
    39,077.84/53,883.82 = 28,301.40/x
  3. Step 3: Cross multiply
    39,077.84x = 53,883.82 × 28,301.40
  4. Step 4: Simplify right side
    39,077.84x = 1,524,987,132.42
  5. Step 5: Solve for x
    x = 1,524,987,132.42/39,077.84
  6. Step 6: Final answer
    x = 39,024.35

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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.