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Finding the Fourth Proportional to 24,752.94, 34,124.49 and 20,961.06

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Solution

The fourth proportional to 24,752.94, 34,124.49 and 20,961.06 is: 28,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,752.94 : 34,124.49 = 20,961.06 : x
  2. Step 2: Convert to fraction form
    24,752.94/34,124.49 = 20,961.06/x
  3. Step 3: Cross multiply
    24,752.94x = 34,124.49 × 20,961.06
  4. Step 4: Simplify right side
    24,752.94x = 715,285,482.36
  5. Step 5: Solve for x
    x = 715,285,482.36/24,752.94
  6. Step 6: Final answer
    x = 28,896.99

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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.