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Finding the Fourth Proportional to 28,839.42, 39,798.41 and 16,264.17

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Solution

The fourth proportional to 28,839.42, 39,798.41 and 16,264.17 is: 22,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.42 : 39,798.41 = 16,264.17 : x
  2. Step 2: Convert to fraction form
    28,839.42/39,798.41 = 16,264.17/x
  3. Step 3: Cross multiply
    28,839.42x = 39,798.41 × 16,264.17
  4. Step 4: Simplify right side
    28,839.42x = 647,288,024.65
  5. Step 5: Solve for x
    x = 647,288,024.65/28,839.42
  6. Step 6: Final answer
    x = 22,444.56

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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.