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Finding the Fourth Proportional to 18,553.60, 25,604.28 and 10,056.00

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Solution

The fourth proportional to 18,553.60, 25,604.28 and 10,056.00 is: 13,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.60 : 25,604.28 = 10,056.00 : x
  2. Step 2: Convert to fraction form
    18,553.60/25,604.28 = 10,056.00/x
  3. Step 3: Cross multiply
    18,553.60x = 25,604.28 × 10,056.00
  4. Step 4: Simplify right side
    18,553.60x = 257,476,543.66
  5. Step 5: Solve for x
    x = 257,476,543.66/18,553.60
  6. Step 6: Final answer
    x = 13,877.44

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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.