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Finding the Fourth Proportional to 28,888.50, 39,866.39 and 16,952.03

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Solution

The fourth proportional to 28,888.50, 39,866.39 and 16,952.03 is: 23,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.50 : 39,866.39 = 16,952.03 : x
  2. Step 2: Convert to fraction form
    28,888.50/39,866.39 = 16,952.03/x
  3. Step 3: Cross multiply
    28,888.50x = 39,866.39 × 16,952.03
  4. Step 4: Simplify right side
    28,888.50x = 675,816,239.27
  5. Step 5: Solve for x
    x = 675,816,239.27/28,888.50
  6. Step 6: Final answer
    x = 23,393.95

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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.