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Finding the Fourth Proportional to 28,898.36, 39,843.87 and 24,349.40

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Solution

The fourth proportional to 28,898.36, 39,843.87 and 24,349.40 is: 33,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.36 : 39,843.87 = 24,349.40 : x
  2. Step 2: Convert to fraction form
    28,898.36/39,843.87 = 24,349.40/x
  3. Step 3: Cross multiply
    28,898.36x = 39,843.87 × 24,349.40
  4. Step 4: Simplify right side
    28,898.36x = 970,174,328.18
  5. Step 5: Solve for x
    x = 970,174,328.18/28,898.36
  6. Step 6: Final answer
    x = 33,571.95

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1.5x scale

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.