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Finding the Fourth Proportional to 18,755.04, 25,881.90 and 10,798.80

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Solution

The fourth proportional to 18,755.04, 25,881.90 and 10,798.80 is: 14,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.04 : 25,881.90 = 10,798.80 : x
  2. Step 2: Convert to fraction form
    18,755.04/25,881.90 = 10,798.80/x
  3. Step 3: Cross multiply
    18,755.04x = 25,881.90 × 10,798.80
  4. Step 4: Simplify right side
    18,755.04x = 279,493,461.72
  5. Step 5: Solve for x
    x = 279,493,461.72/18,755.04
  6. Step 6: Final answer
    x = 14,902.31

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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.