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Finding the Fourth Proportional to 18,477.57, 25,498.98 and 10,094.07

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Solution

The fourth proportional to 18,477.57, 25,498.98 and 10,094.07 is: 13,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.57 : 25,498.98 = 10,094.07 : x
  2. Step 2: Convert to fraction form
    18,477.57/25,498.98 = 10,094.07/x
  3. Step 3: Cross multiply
    18,477.57x = 25,498.98 × 10,094.07
  4. Step 4: Simplify right side
    18,477.57x = 257,388,489.05
  5. Step 5: Solve for x
    x = 257,388,489.05/18,477.57
  6. Step 6: Final answer
    x = 13,929.78

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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.