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Finding the Fourth Proportional to 25,816.63, 38,724.94 and 7,348.63

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Solution

The fourth proportional to 25,816.63, 38,724.94 and 7,348.63 is: 11,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.63 : 38,724.94 = 7,348.63 : x
  2. Step 2: Convert to fraction form
    25,816.63/38,724.94 = 7,348.63/x
  3. Step 3: Cross multiply
    25,816.63x = 38,724.94 × 7,348.63
  4. Step 4: Simplify right side
    25,816.63x = 284,575,255.83
  5. Step 5: Solve for x
    x = 284,575,255.83/25,816.63
  6. Step 6: Final answer
    x = 11,022.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.