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Finding the Fourth Proportional to 18,477.60, 25,498.80 and 10,093.92

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Solution

The fourth proportional to 18,477.60, 25,498.80 and 10,093.92 is: 13,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.60 : 25,498.80 = 10,093.92 : x
  2. Step 2: Convert to fraction form
    18,477.60/25,498.80 = 10,093.92/x
  3. Step 3: Cross multiply
    18,477.60x = 25,498.80 × 10,093.92
  4. Step 4: Simplify right side
    18,477.60x = 257,382,847.30
  5. Step 5: Solve for x
    x = 257,382,847.30/18,477.60
  6. Step 6: Final answer
    x = 13,929.45

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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.