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Finding the Fourth Proportional to 28,927.93, 39,920.02 and 16,352.41

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Solution

The fourth proportional to 28,927.93, 39,920.02 and 16,352.41 is: 22,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.93 : 39,920.02 = 16,352.41 : x
  2. Step 2: Convert to fraction form
    28,927.93/39,920.02 = 16,352.41/x
  3. Step 3: Cross multiply
    28,927.93x = 39,920.02 × 16,352.41
  4. Step 4: Simplify right side
    28,927.93x = 652,788,534.25
  5. Step 5: Solve for x
    x = 652,788,534.25/28,927.93
  6. Step 6: Final answer
    x = 22,566.03

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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.